Home / 658,440.86-987,719.61-185,130.32

Finding the Fourth Proportional to 658,440.86, 987,719.61 and 185,130.32

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Solution

The fourth proportional to 658,440.86, 987,719.61 and 185,130.32 is: 277,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,440.86 : 987,719.61 = 185,130.32 : x
  2. Step 2: Convert to fraction form
    658,440.86/987,719.61 = 185,130.32/x
  3. Step 3: Cross multiply
    658,440.86x = 987,719.61 × 185,130.32
  4. Step 4: Simplify right side
    658,440.86x = 182,856,847,469.58
  5. Step 5: Solve for x
    x = 182,856,847,469.58/658,440.86
  6. Step 6: Final answer
    x = 277,711.88

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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.