Home / 386,408.17-533,134.25-250,447.85

Finding the Fourth Proportional to 386,408.17, 533,134.25 and 250,447.85

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Solution

The fourth proportional to 386,408.17, 533,134.25 and 250,447.85 is: 345,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,408.17 : 533,134.25 = 250,447.85 : x
  2. Step 2: Convert to fraction form
    386,408.17/533,134.25 = 250,447.85/x
  3. Step 3: Cross multiply
    386,408.17x = 533,134.25 × 250,447.85
  4. Step 4: Simplify right side
    386,408.17x = 133,522,327,103.15
  5. Step 5: Solve for x
    x = 133,522,327,103.15/386,408.17
  6. Step 6: Final answer
    x = 345,547.37

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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.