Home / 449,843.15-674,431.35-272,308.16

Finding the Fourth Proportional to 449,843.15, 674,431.35 and 272,308.16

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Solution

The fourth proportional to 449,843.15, 674,431.35 and 272,308.16 is: 408,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,843.15 : 674,431.35 = 272,308.16 : x
  2. Step 2: Convert to fraction form
    449,843.15/674,431.35 = 272,308.16/x
  3. Step 3: Cross multiply
    449,843.15x = 674,431.35 × 272,308.16
  4. Step 4: Simplify right side
    449,843.15x = 183,653,156,592.66
  5. Step 5: Solve for x
    x = 183,653,156,592.66/449,843.15
  6. Step 6: Final answer
    x = 408,260.43

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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.