Home / 425,569.87-587,286.25-234,586.45

Finding the Fourth Proportional to 425,569.87, 587,286.25 and 234,586.45

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Solution

The fourth proportional to 425,569.87, 587,286.25 and 234,586.45 is: 323,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,569.87 : 587,286.25 = 234,586.45 : x
  2. Step 2: Convert to fraction form
    425,569.87/587,286.25 = 234,586.45/x
  3. Step 3: Cross multiply
    425,569.87x = 587,286.25 × 234,586.45
  4. Step 4: Simplify right side
    425,569.87x = 137,769,396,521.31
  5. Step 5: Solve for x
    x = 137,769,396,521.31/425,569.87
  6. Step 6: Final answer
    x = 323,729.21

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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.