Home / 408,186.42-563,388.66-226,961.88

Finding the Fourth Proportional to 408,186.42, 563,388.66 and 226,961.88

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Solution

The fourth proportional to 408,186.42, 563,388.66 and 226,961.88 is: 313,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,186.42 : 563,388.66 = 226,961.88 : x
  2. Step 2: Convert to fraction form
    408,186.42/563,388.66 = 226,961.88/x
  3. Step 3: Cross multiply
    408,186.42x = 563,388.66 × 226,961.88
  4. Step 4: Simplify right side
    408,186.42x = 127,867,749,444.28
  5. Step 5: Solve for x
    x = 127,867,749,444.28/408,186.42
  6. Step 6: Final answer
    x = 313,258.22

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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.