Home / 892,612.60-1,231,801.38-484,711.12

Finding the Fourth Proportional to 892,612.60, 1,231,801.38 and 484,711.12

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Solution

The fourth proportional to 892,612.60, 1,231,801.38 and 484,711.12 is: 668,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,612.60 : 1,231,801.38 = 484,711.12 : x
  2. Step 2: Convert to fraction form
    892,612.60/1,231,801.38 = 484,711.12/x
  3. Step 3: Cross multiply
    892,612.60x = 1,231,801.38 × 484,711.12
  4. Step 4: Simplify right side
    892,612.60x = 597,067,826,517.35
  5. Step 5: Solve for x
    x = 597,067,826,517.35/892,612.60
  6. Step 6: Final answer
    x = 668,899.17

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Double scale
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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.