Home / 787,585.20-1,181,377.80-226,619.70

Finding the Fourth Proportional to 787,585.20, 1,181,377.80 and 226,619.70

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Solution

The fourth proportional to 787,585.20, 1,181,377.80 and 226,619.70 is: 339,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,585.20 : 1,181,377.80 = 226,619.70 : x
  2. Step 2: Convert to fraction form
    787,585.20/1,181,377.80 = 226,619.70/x
  3. Step 3: Cross multiply
    787,585.20x = 1,181,377.80 × 226,619.70
  4. Step 4: Simplify right side
    787,585.20x = 267,723,482,622.66
  5. Step 5: Solve for x
    x = 267,723,482,622.66/787,585.20
  6. Step 6: Final answer
    x = 339,929.55

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Double scale
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Similar ratio
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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.