Home / 449,861.02-674,458.20-272,326.06

Finding the Fourth Proportional to 449,861.02, 674,458.20 and 272,326.06

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Solution

The fourth proportional to 449,861.02, 674,458.20 and 272,326.06 is: 408,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,861.02 : 674,458.20 = 272,326.06 : x
  2. Step 2: Convert to fraction form
    449,861.02/674,458.20 = 272,326.06/x
  3. Step 3: Cross multiply
    449,861.02x = 674,458.20 × 272,326.06
  4. Step 4: Simplify right side
    449,861.02x = 183,672,544,240.69
  5. Step 5: Solve for x
    x = 183,672,544,240.69/449,861.02
  6. Step 6: Final answer
    x = 408,287.31

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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.