Home / 439,635.20-659,625.60-173,350.40

Finding the Fourth Proportional to 439,635.20, 659,625.60 and 173,350.40

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Solution

The fourth proportional to 439,635.20, 659,625.60 and 173,350.40 is: 260,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,635.20 : 659,625.60 = 173,350.40 : x
  2. Step 2: Convert to fraction form
    439,635.20/659,625.60 = 173,350.40/x
  3. Step 3: Cross multiply
    439,635.20x = 659,625.60 × 173,350.40
  4. Step 4: Simplify right side
    439,635.20x = 114,346,361,610.24
  5. Step 5: Solve for x
    x = 114,346,361,610.24/439,635.20
  6. Step 6: Final answer
    x = 260,093.74

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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.