Home / 449,840.04-674,426.70-272,305.04

Finding the Fourth Proportional to 449,840.04, 674,426.70 and 272,305.04

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Solution

The fourth proportional to 449,840.04, 674,426.70 and 272,305.04 is: 408,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,840.04 : 674,426.70 = 272,305.04 : x
  2. Step 2: Convert to fraction form
    449,840.04/674,426.70 = 272,305.04/x
  3. Step 3: Cross multiply
    449,840.04x = 674,426.70 × 272,305.04
  4. Step 4: Simplify right side
    449,840.04x = 183,649,789,520.57
  5. Step 5: Solve for x
    x = 183,649,789,520.57/449,840.04
  6. Step 6: Final answer
    x = 408,255.76

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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.