Home / 447,712.20-670,985.10-181,254.60

Finding the Fourth Proportional to 447,712.20, 670,985.10 and 181,254.60

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Solution

The fourth proportional to 447,712.20, 670,985.10 and 181,254.60 is: 271,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,712.20 : 670,985.10 = 181,254.60 : x
  2. Step 2: Convert to fraction form
    447,712.20/670,985.10 = 181,254.60/x
  3. Step 3: Cross multiply
    447,712.20x = 670,985.10 × 181,254.60
  4. Step 4: Simplify right side
    447,712.20x = 121,619,135,906.46
  5. Step 5: Solve for x
    x = 121,619,135,906.46/447,712.20
  6. Step 6: Final answer
    x = 271,645.79

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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.