Finding the Fourth Proportional to 861,279.77, 1,291,051.17 and 541,660.02
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Solution
The fourth proportional to 861,279.77, 1,291,051.17 and 541,660.02 is: 811,943.84
Step by Step Solution
- Step 1: Write the proportion equation
861,279.77 : 1,291,051.17 = 541,660.02 : x - Step 2: Convert to fraction form
861,279.77/1,291,051.17 = 541,660.02/x - Step 3: Cross multiply
861,279.77x = 1,291,051.17 × 541,660.02 - Step 4: Simplify right side
861,279.77x = 699,310,802,563.22 - Step 5: Solve for x
x = 699,310,802,563.22/861,279.77 - Step 6: Final answer
x = 811,943.84
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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.