Home / 408,238.26-563,388.01-226,953.20

Finding the Fourth Proportional to 408,238.26, 563,388.01 and 226,953.20

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Solution

The fourth proportional to 408,238.26, 563,388.01 and 226,953.20 is: 313,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,238.26 : 563,388.01 = 226,953.20 : x
  2. Step 2: Convert to fraction form
    408,238.26/563,388.01 = 226,953.20/x
  3. Step 3: Cross multiply
    408,238.26x = 563,388.01 × 226,953.20
  4. Step 4: Simplify right side
    408,238.26x = 127,862,712,552.22
  5. Step 5: Solve for x
    x = 127,862,712,552.22/408,238.26
  6. Step 6: Final answer
    x = 313,206.10

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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.