Home / 629,414.68-868,581.24-342,936.84

Finding the Fourth Proportional to 629,414.68, 868,581.24 and 342,936.84

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Solution

The fourth proportional to 629,414.68, 868,581.24 and 342,936.84 is: 473,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,414.68 : 868,581.24 = 342,936.84 : x
  2. Step 2: Convert to fraction form
    629,414.68/868,581.24 = 342,936.84/x
  3. Step 3: Cross multiply
    629,414.68x = 868,581.24 × 342,936.84
  4. Step 4: Simplify right side
    629,414.68x = 297,868,505,728.88
  5. Step 5: Solve for x
    x = 297,868,505,728.88/629,414.68
  6. Step 6: Final answer
    x = 473,246.84

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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.