Home / 409,004.28-613,598.58-124,719.96

Finding the Fourth Proportional to 409,004.28, 613,598.58 and 124,719.96

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Solution

The fourth proportional to 409,004.28, 613,598.58 and 124,719.96 is: 187,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,004.28 : 613,598.58 = 124,719.96 : x
  2. Step 2: Convert to fraction form
    409,004.28/613,598.58 = 124,719.96/x
  3. Step 3: Cross multiply
    409,004.28x = 613,598.58 × 124,719.96
  4. Step 4: Simplify right side
    409,004.28x = 76,527,990,353.66
  5. Step 5: Solve for x
    x = 76,527,990,353.66/409,004.28
  6. Step 6: Final answer
    x = 187,108.04

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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.