Home / 661,838.32-992,560.20-241,015.78

Finding the Fourth Proportional to 661,838.32, 992,560.20 and 241,015.78

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Solution

The fourth proportional to 661,838.32, 992,560.20 and 241,015.78 is: 361,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,838.32 : 992,560.20 = 241,015.78 : x
  2. Step 2: Convert to fraction form
    661,838.32/992,560.20 = 241,015.78/x
  3. Step 3: Cross multiply
    661,838.32x = 992,560.20 × 241,015.78
  4. Step 4: Simplify right side
    661,838.32x = 239,222,670,799.96
  5. Step 5: Solve for x
    x = 239,222,670,799.96/661,838.32
  6. Step 6: Final answer
    x = 361,451.83

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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.