Home / 502,228.16-693,079.90-272,789.92

Finding the Fourth Proportional to 502,228.16, 693,079.90 and 272,789.92

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Solution

The fourth proportional to 502,228.16, 693,079.90 and 272,789.92 is: 376,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,228.16 : 693,079.90 = 272,789.92 : x
  2. Step 2: Convert to fraction form
    502,228.16/693,079.90 = 272,789.92/x
  3. Step 3: Cross multiply
    502,228.16x = 693,079.90 × 272,789.92
  4. Step 4: Simplify right side
    502,228.16x = 189,065,208,059.93
  5. Step 5: Solve for x
    x = 189,065,208,059.93/502,228.16
  6. Step 6: Final answer
    x = 376,452.83

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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.