Home / 813,981.60-1,123,067.16-474,384.24

Finding the Fourth Proportional to 813,981.60, 1,123,067.16 and 474,384.24

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Solution

The fourth proportional to 813,981.60, 1,123,067.16 and 474,384.24 is: 654,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,981.60 : 1,123,067.16 = 474,384.24 : x
  2. Step 2: Convert to fraction form
    813,981.60/1,123,067.16 = 474,384.24/x
  3. Step 3: Cross multiply
    813,981.60x = 1,123,067.16 × 474,384.24
  4. Step 4: Simplify right side
    813,981.60x = 532,765,361,165.56
  5. Step 5: Solve for x
    x = 532,765,361,165.56/813,981.60
  6. Step 6: Final answer
    x = 654,517.70

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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.