Home / 408,659.09-563,940.75-236,584.33

Finding the Fourth Proportional to 408,659.09, 563,940.75 and 236,584.33

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Solution

The fourth proportional to 408,659.09, 563,940.75 and 236,584.33 is: 326,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,659.09 : 563,940.75 = 236,584.33 : x
  2. Step 2: Convert to fraction form
    408,659.09/563,940.75 = 236,584.33/x
  3. Step 3: Cross multiply
    408,659.09x = 563,940.75 × 236,584.33
  4. Step 4: Simplify right side
    408,659.09x = 133,419,542,645.00
  5. Step 5: Solve for x
    x = 133,419,542,645.00/408,659.09
  6. Step 6: Final answer
    x = 326,481.28

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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.