Home / 815,366.52-1,125,738.72-529,700.76

Finding the Fourth Proportional to 815,366.52, 1,125,738.72 and 529,700.76

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Solution

The fourth proportional to 815,366.52, 1,125,738.72 and 529,700.76 is: 731,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,366.52 : 1,125,738.72 = 529,700.76 : x
  2. Step 2: Convert to fraction form
    815,366.52/1,125,738.72 = 529,700.76/x
  3. Step 3: Cross multiply
    815,366.52x = 1,125,738.72 × 529,700.76
  4. Step 4: Simplify right side
    815,366.52x = 596,304,655,545.43
  5. Step 5: Solve for x
    x = 596,304,655,545.43/815,366.52
  6. Step 6: Final answer
    x = 731,333.26

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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.