Home / 681,229.98-933,289.56-655,691.49

Finding the Fourth Proportional to 681,229.98, 933,289.56 and 655,691.49

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Solution

The fourth proportional to 681,229.98, 933,289.56 and 655,691.49 is: 898,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,229.98 : 933,289.56 = 655,691.49 : x
  2. Step 2: Convert to fraction form
    681,229.98/933,289.56 = 655,691.49/x
  3. Step 3: Cross multiply
    681,229.98x = 933,289.56 × 655,691.49
  4. Step 4: Simplify right side
    681,229.98x = 611,950,022,197.85
  5. Step 5: Solve for x
    x = 611,950,022,197.85/681,229.98
  6. Step 6: Final answer
    x = 898,301.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.