Home / 425,562.38-587,258.42-231,965.82

Finding the Fourth Proportional to 425,562.38, 587,258.42 and 231,965.82

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Solution

The fourth proportional to 425,562.38, 587,258.42 and 231,965.82 is: 320,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,562.38 : 587,258.42 = 231,965.82 : x
  2. Step 2: Convert to fraction form
    425,562.38/587,258.42 = 231,965.82/x
  3. Step 3: Cross multiply
    425,562.38x = 587,258.42 × 231,965.82
  4. Step 4: Simplify right side
    425,562.38x = 136,223,880,947.20
  5. Step 5: Solve for x
    x = 136,223,880,947.20/425,562.38
  6. Step 6: Final answer
    x = 320,103.20

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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.