The original image has a resolution of 300 x 300
The aspect ratio is 1 / 300/300
The image at half the size is 150 x 150
The image at quarter the size is 75 x 75
The original image has a resolution of 900 x 525
The aspect ratio is 1.7 / 900/525
The image at half the size is 450 x 262.5
The image at quarter the size is 225 x 131.25
The original image has a resolution of 943 x 530
The aspect ratio is 1.8 or 1.77 / 943/530
The image at half the size is 471.5 x 265
The image at quarter the size is 235.75 x 132.5