Home / 792,933.72-1,189,065.24-319,491.96

Finding the Fourth Proportional to 792,933.72, 1,189,065.24 and 319,491.96

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Solution

The fourth proportional to 792,933.72, 1,189,065.24 and 319,491.96 is: 479,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,933.72 : 1,189,065.24 = 319,491.96 : x
  2. Step 2: Convert to fraction form
    792,933.72/1,189,065.24 = 319,491.96/x
  3. Step 3: Cross multiply
    792,933.72x = 1,189,065.24 × 319,491.96
  4. Step 4: Simplify right side
    792,933.72x = 379,896,784,095.47
  5. Step 5: Solve for x
    x = 379,896,784,095.47/792,933.72
  6. Step 6: Final answer
    x = 479,102.82

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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.