Home / 929,049.31-1,393,712.48-329,960.15

Finding the Fourth Proportional to 929,049.31, 1,393,712.48 and 329,960.15

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Solution

The fourth proportional to 929,049.31, 1,393,712.48 and 329,960.15 is: 494,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,049.31 : 1,393,712.48 = 329,960.15 : x
  2. Step 2: Convert to fraction form
    929,049.31/1,393,712.48 = 329,960.15/x
  3. Step 3: Cross multiply
    929,049.31x = 1,393,712.48 × 329,960.15
  4. Step 4: Simplify right side
    929,049.31x = 459,869,576,184.41
  5. Step 5: Solve for x
    x = 459,869,576,184.41/929,049.31
  6. Step 6: Final answer
    x = 494,989.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.