Home / 913,780.50-1,260,842.13-591,445.86

Finding the Fourth Proportional to 913,780.50, 1,260,842.13 and 591,445.86

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Solution

The fourth proportional to 913,780.50, 1,260,842.13 and 591,445.86 is: 816,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,780.50 : 1,260,842.13 = 591,445.86 : x
  2. Step 2: Convert to fraction form
    913,780.50/1,260,842.13 = 591,445.86/x
  3. Step 3: Cross multiply
    913,780.50x = 1,260,842.13 × 591,445.86
  4. Step 4: Simplify right side
    913,780.50x = 745,719,857,902.08
  5. Step 5: Solve for x
    x = 745,719,857,902.08/913,780.50
  6. Step 6: Final answer
    x = 816,082.04

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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.