Home / 449,819.02-674,395.21-272,284.03

Finding the Fourth Proportional to 449,819.02, 674,395.21 and 272,284.03

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Solution

The fourth proportional to 449,819.02, 674,395.21 and 272,284.03 is: 408,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,819.02 : 674,395.21 = 272,284.03 : x
  2. Step 2: Convert to fraction form
    449,819.02/674,395.21 = 272,284.03/x
  3. Step 3: Cross multiply
    449,819.02x = 674,395.21 × 272,284.03
  4. Step 4: Simplify right side
    449,819.02x = 183,627,045,591.50
  5. Step 5: Solve for x
    x = 183,627,045,591.50/449,819.02
  6. Step 6: Final answer
    x = 408,224.28

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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.