Home / 449,823.42-674,189.52-330,387.30

Finding the Fourth Proportional to 449,823.42, 674,189.52 and 330,387.30

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Solution

The fourth proportional to 449,823.42, 674,189.52 and 330,387.30 is: 495,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,823.42 : 674,189.52 = 330,387.30 : x
  2. Step 2: Convert to fraction form
    449,823.42/674,189.52 = 330,387.30/x
  3. Step 3: Cross multiply
    449,823.42x = 674,189.52 × 330,387.30
  4. Step 4: Simplify right side
    449,823.42x = 222,743,655,201.10
  5. Step 5: Solve for x
    x = 222,743,655,201.10/449,823.42
  6. Step 6: Final answer
    x = 495,180.21

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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.