Home / 441,542.45-662,319.75-125,999.30

Finding the Fourth Proportional to 441,542.45, 662,319.75 and 125,999.30

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Solution

The fourth proportional to 441,542.45, 662,319.75 and 125,999.30 is: 189,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,542.45 : 662,319.75 = 125,999.30 : x
  2. Step 2: Convert to fraction form
    441,542.45/662,319.75 = 125,999.30/x
  3. Step 3: Cross multiply
    441,542.45x = 662,319.75 × 125,999.30
  4. Step 4: Simplify right side
    441,542.45x = 83,451,824,876.18
  5. Step 5: Solve for x
    x = 83,451,824,876.18/441,542.45
  6. Step 6: Final answer
    x = 189,000.68

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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.