Home / 705,327.30-1,057,990.95-206,691.30

Finding the Fourth Proportional to 705,327.30, 1,057,990.95 and 206,691.30

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Solution

The fourth proportional to 705,327.30, 1,057,990.95 and 206,691.30 is: 310,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,327.30 : 1,057,990.95 = 206,691.30 : x
  2. Step 2: Convert to fraction form
    705,327.30/1,057,990.95 = 206,691.30/x
  3. Step 3: Cross multiply
    705,327.30x = 1,057,990.95 × 206,691.30
  4. Step 4: Simplify right side
    705,327.30x = 218,677,524,843.74
  5. Step 5: Solve for x
    x = 218,677,524,843.74/705,327.30
  6. Step 6: Final answer
    x = 310,036.95

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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.