Home / 683,974.52-943,882.86-382,168.76

Finding the Fourth Proportional to 683,974.52, 943,882.86 and 382,168.76

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Solution

The fourth proportional to 683,974.52, 943,882.86 and 382,168.76 is: 527,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,974.52 : 943,882.86 = 382,168.76 : x
  2. Step 2: Convert to fraction form
    683,974.52/943,882.86 = 382,168.76/x
  3. Step 3: Cross multiply
    683,974.52x = 943,882.86 × 382,168.76
  4. Step 4: Simplify right side
    683,974.52x = 360,722,542,191.45
  5. Step 5: Solve for x
    x = 360,722,542,191.45/683,974.52
  6. Step 6: Final answer
    x = 527,391.78

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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.