Home / 741,046.11-1,111,591.85-513,118.59

Finding the Fourth Proportional to 741,046.11, 1,111,591.85 and 513,118.59

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Solution

The fourth proportional to 741,046.11, 1,111,591.85 and 513,118.59 is: 769,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,046.11 : 1,111,591.85 = 513,118.59 : x
  2. Step 2: Convert to fraction form
    741,046.11/1,111,591.85 = 513,118.59/x
  3. Step 3: Cross multiply
    741,046.11x = 1,111,591.85 × 513,118.59
  4. Step 4: Simplify right side
    741,046.11x = 570,378,440,161.90
  5. Step 5: Solve for x
    x = 570,378,440,161.90/741,046.11
  6. Step 6: Final answer
    x = 769,693.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.