Home / 408,455.24-563,683.78-227,180.28

Finding the Fourth Proportional to 408,455.24, 563,683.78 and 227,180.28

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Solution

The fourth proportional to 408,455.24, 563,683.78 and 227,180.28 is: 313,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,455.24 : 563,683.78 = 227,180.28 : x
  2. Step 2: Convert to fraction form
    408,455.24/563,683.78 = 227,180.28/x
  3. Step 3: Cross multiply
    408,455.24x = 563,683.78 × 227,180.28
  4. Step 4: Simplify right side
    408,455.24x = 128,057,838,971.86
  5. Step 5: Solve for x
    x = 128,057,838,971.86/408,455.24
  6. Step 6: Final answer
    x = 313,517.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.