Finding the Fourth Proportional to 887,052.24, 1,224,132.56 and 479,154.08
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Solution
The fourth proportional to 887,052.24, 1,224,132.56 and 479,154.08 is: 661,232.87
Step by Step Solution
- Step 1: Write the proportion equation
887,052.24 : 1,224,132.56 = 479,154.08 : x - Step 2: Convert to fraction form
887,052.24/1,224,132.56 = 479,154.08/x - Step 3: Cross multiply
887,052.24x = 1,224,132.56 × 479,154.08 - Step 4: Simplify right side
887,052.24x = 586,548,102,068.41 - Step 5: Solve for x
x = 586,548,102,068.41/887,052.24 - Step 6: Final answer
x = 661,232.87
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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.