Home / 927,187.60-1,390,781.40-336,134.80

Finding the Fourth Proportional to 927,187.60, 1,390,781.40 and 336,134.80

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Solution

The fourth proportional to 927,187.60, 1,390,781.40 and 336,134.80 is: 504,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,187.60 : 1,390,781.40 = 336,134.80 : x
  2. Step 2: Convert to fraction form
    927,187.60/1,390,781.40 = 336,134.80/x
  3. Step 3: Cross multiply
    927,187.60x = 1,390,781.40 × 336,134.80
  4. Step 4: Simplify right side
    927,187.60x = 467,490,027,732.72
  5. Step 5: Solve for x
    x = 467,490,027,732.72/927,187.60
  6. Step 6: Final answer
    x = 504,202.20

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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.