Finding the Fourth Proportional to 856,145.36, 1,181,489.28 and 516,548
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Solution
The fourth proportional to 856,145.36, 1,181,489.28 and 516,548 is: 712,841.48
Step by Step Solution
- Step 1: Write the proportion equation
856,145.36 : 1,181,489.28 = 516,548 : x - Step 2: Convert to fraction form
856,145.36/1,181,489.28 = 516,548/x - Step 3: Cross multiply
856,145.36x = 1,181,489.28 × 516,548 - Step 4: Simplify right side
856,145.36x = 610,295,924,605.44 - Step 5: Solve for x
x = 610,295,924,605.44/856,145.36 - Step 6: Final answer
x = 712,841.48
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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.