Home / 629,414.20-868,601.52-342,934.16

Finding the Fourth Proportional to 629,414.20, 868,601.52 and 342,934.16

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Solution

The fourth proportional to 629,414.20, 868,601.52 and 342,934.16 is: 473,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,414.20 : 868,601.52 = 342,934.16 : x
  2. Step 2: Convert to fraction form
    629,414.20/868,601.52 = 342,934.16/x
  3. Step 3: Cross multiply
    629,414.20x = 868,601.52 × 342,934.16
  4. Step 4: Simplify right side
    629,414.20x = 297,873,132,635.92
  5. Step 5: Solve for x
    x = 297,873,132,635.92/629,414.20
  6. Step 6: Final answer
    x = 473,254.55

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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.