Home / 425,650.28-587,401.38-234,670.50

Finding the Fourth Proportional to 425,650.28, 587,401.38 and 234,670.50

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Solution

The fourth proportional to 425,650.28, 587,401.38 and 234,670.50 is: 323,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,650.28 : 587,401.38 = 234,670.50 : x
  2. Step 2: Convert to fraction form
    425,650.28/587,401.38 = 234,670.50/x
  3. Step 3: Cross multiply
    425,650.28x = 587,401.38 × 234,670.50
  4. Step 4: Simplify right side
    425,650.28x = 137,845,775,545.29
  5. Step 5: Solve for x
    x = 137,845,775,545.29/425,650.28
  6. Step 6: Final answer
    x = 323,847.50

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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.