Home / 861,279.27-1,291,050.42-541,659.52

Finding the Fourth Proportional to 861,279.27, 1,291,050.42 and 541,659.52

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Solution

The fourth proportional to 861,279.27, 1,291,050.42 and 541,659.52 is: 811,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,279.27 : 1,291,050.42 = 541,659.52 : x
  2. Step 2: Convert to fraction form
    861,279.27/1,291,050.42 = 541,659.52/x
  3. Step 3: Cross multiply
    861,279.27x = 1,291,050.42 × 541,659.52
  4. Step 4: Simplify right side
    861,279.27x = 699,309,750,793.00
  5. Step 5: Solve for x
    x = 699,309,750,793.00/861,279.27
  6. Step 6: Final answer
    x = 811,943.09

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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.