Home / 861,204.20-1,291,806.30-701,771.90

Finding the Fourth Proportional to 861,204.20, 1,291,806.30 and 701,771.90

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Solution

The fourth proportional to 861,204.20, 1,291,806.30 and 701,771.90 is: 1,052,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,204.20 : 1,291,806.30 = 701,771.90 : x
  2. Step 2: Convert to fraction form
    861,204.20/1,291,806.30 = 701,771.90/x
  3. Step 3: Cross multiply
    861,204.20x = 1,291,806.30 × 701,771.90
  4. Step 4: Simplify right side
    861,204.20x = 906,553,361,582.97
  5. Step 5: Solve for x
    x = 906,553,361,582.97/861,204.20
  6. Step 6: Final answer
    x = 1,052,657.85

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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.