Home / 463,178.10-639,197.25-259,227.30

Finding the Fourth Proportional to 463,178.10, 639,197.25 and 259,227.30

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Solution

The fourth proportional to 463,178.10, 639,197.25 and 259,227.30 is: 357,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,178.10 : 639,197.25 = 259,227.30 : x
  2. Step 2: Convert to fraction form
    463,178.10/639,197.25 = 259,227.30/x
  3. Step 3: Cross multiply
    463,178.10x = 639,197.25 × 259,227.30
  4. Step 4: Simplify right side
    463,178.10x = 165,697,377,284.93
  5. Step 5: Solve for x
    x = 165,697,377,284.93/463,178.10
  6. Step 6: Final answer
    x = 357,740.09

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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.