Home / 408,664.14-563,947.66-236,589.39

Finding the Fourth Proportional to 408,664.14, 563,947.66 and 236,589.39

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Solution

The fourth proportional to 408,664.14, 563,947.66 and 236,589.39 is: 326,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,664.14 : 563,947.66 = 236,589.39 : x
  2. Step 2: Convert to fraction form
    408,664.14/563,947.66 = 236,589.39/x
  3. Step 3: Cross multiply
    408,664.14x = 563,947.66 × 236,589.39
  4. Step 4: Simplify right side
    408,664.14x = 133,424,032,871.33
  5. Step 5: Solve for x
    x = 133,424,032,871.33/408,664.14
  6. Step 6: Final answer
    x = 326,488.23

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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.