Home / 755,311.27-1,042,342.85-411,157.10

Finding the Fourth Proportional to 755,311.27, 1,042,342.85 and 411,157.10

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Solution

The fourth proportional to 755,311.27, 1,042,342.85 and 411,157.10 is: 567,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,311.27 : 1,042,342.85 = 411,157.10 : x
  2. Step 2: Convert to fraction form
    755,311.27/1,042,342.85 = 411,157.10/x
  3. Step 3: Cross multiply
    755,311.27x = 1,042,342.85 × 411,157.10
  4. Step 4: Simplify right side
    755,311.27x = 428,566,656,144.24
  5. Step 5: Solve for x
    x = 428,566,656,144.24/755,311.27
  6. Step 6: Final answer
    x = 567,404.03

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Double scale
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1.5x scale

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.