Even more Horizon Forbidden West calcs. As last time, be aware of spoilers, though I'll try deal with a non-spoilery calc first.
907 pixels = 1.6764m
1 pixel = 1.6764m/907 = 0.00184829107m
0.00184829107m X 919 = 1.69857949m
260 pixels = 1.69857949m
1 pixel = 1.69857949m/260 = 0.00653299804m...