Finding the Fourth Proportional to 1,417,693.74, 2,125,900.91 and 406,583.57
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Solution
The fourth proportional to 1,417,693.74, 2,125,900.91 and 406,583.57 is: 609,691.89
Step by Step Solution
- Step 1: Write the proportion equation
1,417,693.74 : 2,125,900.91 = 406,583.57 : x - Step 2: Convert to fraction form
1,417,693.74/2,125,900.91 = 406,583.57/x - Step 3: Cross multiply
1,417,693.74x = 2,125,900.91 × 406,583.57 - Step 4: Simplify right side
1,417,693.74x = 864,356,381,454.05 - Step 5: Solve for x
x = 864,356,381,454.05/1,417,693.74 - Step 6: Final answer
x = 609,691.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.