Home / 425,625.12-587,366.64-234,645.36

Finding the Fourth Proportional to 425,625.12, 587,366.64 and 234,645.36

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Solution

The fourth proportional to 425,625.12, 587,366.64 and 234,645.36 is: 323,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,625.12 : 587,366.64 = 234,645.36 : x
  2. Step 2: Convert to fraction form
    425,625.12/587,366.64 = 234,645.36/x
  3. Step 3: Cross multiply
    425,625.12x = 587,366.64 × 234,645.36
  4. Step 4: Simplify right side
    425,625.12x = 137,822,856,694.79
  5. Step 5: Solve for x
    x = 137,822,856,694.79/425,625.12
  6. Step 6: Final answer
    x = 323,812.79

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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.