Home / 440,906.07-661,470.15-125,362.98

Finding the Fourth Proportional to 440,906.07, 661,470.15 and 125,362.98

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Solution

The fourth proportional to 440,906.07, 661,470.15 and 125,362.98 is: 188,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,906.07 : 661,470.15 = 125,362.98 : x
  2. Step 2: Convert to fraction form
    440,906.07/661,470.15 = 125,362.98/x
  3. Step 3: Cross multiply
    440,906.07x = 661,470.15 × 125,362.98
  4. Step 4: Simplify right side
    440,906.07x = 82,923,869,185.05
  5. Step 5: Solve for x
    x = 82,923,869,185.05/440,906.07
  6. Step 6: Final answer
    x = 188,076.04

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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.