Home / 819,451.34-1,229,133.19-250,832.73

Finding the Fourth Proportional to 819,451.34, 1,229,133.19 and 250,832.73

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Solution

The fourth proportional to 819,451.34, 1,229,133.19 and 250,832.73 is: 376,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,451.34 : 1,229,133.19 = 250,832.73 : x
  2. Step 2: Convert to fraction form
    819,451.34/1,229,133.19 = 250,832.73/x
  3. Step 3: Cross multiply
    819,451.34x = 1,229,133.19 × 250,832.73
  4. Step 4: Simplify right side
    819,451.34x = 308,306,836,788.09
  5. Step 5: Solve for x
    x = 308,306,836,788.09/819,451.34
  6. Step 6: Final answer
    x = 376,235.68

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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.