Home / 892,606.60-1,231,793.10-484,705.12

Finding the Fourth Proportional to 892,606.60, 1,231,793.10 and 484,705.12

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Solution

The fourth proportional to 892,606.60, 1,231,793.10 and 484,705.12 is: 668,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,606.60 : 1,231,793.10 = 484,705.12 : x
  2. Step 2: Convert to fraction form
    892,606.60/1,231,793.10 = 484,705.12/x
  3. Step 3: Cross multiply
    892,606.60x = 1,231,793.10 × 484,705.12
  4. Step 4: Simplify right side
    892,606.60x = 597,056,422,350.67
  5. Step 5: Solve for x
    x = 597,056,422,350.67/892,606.60
  6. Step 6: Final answer
    x = 668,890.89

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.