Finding the Fourth Proportional to 1,171,717.74, 1,617,051.87 and 655,641.63
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Solution
The fourth proportional to 1,171,717.74, 1,617,051.87 and 655,641.63 is: 904,830.99
Step by Step Solution
- Step 1: Write the proportion equation
1,171,717.74 : 1,617,051.87 = 655,641.63 : x - Step 2: Convert to fraction form
1,171,717.74/1,617,051.87 = 655,641.63/x - Step 3: Cross multiply
1,171,717.74x = 1,617,051.87 × 655,641.63 - Step 4: Simplify right side
1,171,717.74x = 1,060,206,523,841.35 - Step 5: Solve for x
x = 1,060,206,523,841.35/1,171,717.74 - Step 6: Final answer
x = 904,830.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.