Finding the Fourth Proportional to 1,761,391.26, 2,643,136.62 and 639,547.74
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Solution
The fourth proportional to 1,761,391.26, 2,643,136.62 and 639,547.74 is: 959,702.76
Step by Step Solution
- Step 1: Write the proportion equation
1,761,391.26 : 2,643,136.62 = 639,547.74 : x - Step 2: Convert to fraction form
1,761,391.26/2,643,136.62 = 639,547.74/x - Step 3: Cross multiply
1,761,391.26x = 2,643,136.62 × 639,547.74 - Step 4: Simplify right side
1,761,391.26x = 1,690,412,051,832.24 - Step 5: Solve for x
x = 1,690,412,051,832.24/1,761,391.26 - Step 6: Final answer
x = 959,702.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.