Home / 724,418.28-1,086,627.51-251,103.60

Finding the Fourth Proportional to 724,418.28, 1,086,627.51 and 251,103.60

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Solution

The fourth proportional to 724,418.28, 1,086,627.51 and 251,103.60 is: 376,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,418.28 : 1,086,627.51 = 251,103.60 : x
  2. Step 2: Convert to fraction form
    724,418.28/1,086,627.51 = 251,103.60/x
  3. Step 3: Cross multiply
    724,418.28x = 1,086,627.51 × 251,103.60
  4. Step 4: Simplify right side
    724,418.28x = 272,856,079,620.04
  5. Step 5: Solve for x
    x = 272,856,079,620.04/724,418.28
  6. Step 6: Final answer
    x = 376,655.43

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Double scale
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1.5x scale

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.