Home / 792,909.72-1,189,029.24-319,467.96

Finding the Fourth Proportional to 792,909.72, 1,189,029.24 and 319,467.96

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Solution

The fourth proportional to 792,909.72, 1,189,029.24 and 319,467.96 is: 479,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,909.72 : 1,189,029.24 = 319,467.96 : x
  2. Step 2: Convert to fraction form
    792,909.72/1,189,029.24 = 319,467.96/x
  3. Step 3: Cross multiply
    792,909.72x = 1,189,029.24 × 319,467.96
  4. Step 4: Simplify right side
    792,909.72x = 379,856,745,683.15
  5. Step 5: Solve for x
    x = 379,856,745,683.15/792,909.72
  6. Step 6: Final answer
    x = 479,066.83

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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.