Home / 579,049.32-868,360.50-199,873.56

Finding the Fourth Proportional to 579,049.32, 868,360.50 and 199,873.56

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Solution

The fourth proportional to 579,049.32, 868,360.50 and 199,873.56 is: 299,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,049.32 : 868,360.50 = 199,873.56 : x
  2. Step 2: Convert to fraction form
    579,049.32/868,360.50 = 199,873.56/x
  3. Step 3: Cross multiply
    579,049.32x = 868,360.50 × 199,873.56
  4. Step 4: Simplify right side
    579,049.32x = 173,562,304,498.38
  5. Step 5: Solve for x
    x = 173,562,304,498.38/579,049.32
  6. Step 6: Final answer
    x = 299,736.65

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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.