Home / 426,742.38-588,921.42-245,454.12

Finding the Fourth Proportional to 426,742.38, 588,921.42 and 245,454.12

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Solution

The fourth proportional to 426,742.38, 588,921.42 and 245,454.12 is: 338,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,742.38 : 588,921.42 = 245,454.12 : x
  2. Step 2: Convert to fraction form
    426,742.38/588,921.42 = 245,454.12/x
  3. Step 3: Cross multiply
    426,742.38x = 588,921.42 × 245,454.12
  4. Step 4: Simplify right side
    426,742.38x = 144,553,188,895.25
  5. Step 5: Solve for x
    x = 144,553,188,895.25/426,742.38
  6. Step 6: Final answer
    x = 338,736.43

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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.