Home / 627,961.92-866,610.20-359,741.76

Finding the Fourth Proportional to 627,961.92, 866,610.20 and 359,741.76

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Solution

The fourth proportional to 627,961.92, 866,610.20 and 359,741.76 is: 496,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,961.92 : 866,610.20 = 359,741.76 : x
  2. Step 2: Convert to fraction form
    627,961.92/866,610.20 = 359,741.76/x
  3. Step 3: Cross multiply
    627,961.92x = 866,610.20 × 359,741.76
  4. Step 4: Simplify right side
    627,961.92x = 311,755,878,581.95
  5. Step 5: Solve for x
    x = 311,755,878,581.95/627,961.92
  6. Step 6: Final answer
    x = 496,456.66

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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.