Home / 397,637.06-548,734.89-236,488.58

Finding the Fourth Proportional to 397,637.06, 548,734.89 and 236,488.58

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Solution

The fourth proportional to 397,637.06, 548,734.89 and 236,488.58 is: 326,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,637.06 : 548,734.89 = 236,488.58 : x
  2. Step 2: Convert to fraction form
    397,637.06/548,734.89 = 236,488.58/x
  3. Step 3: Cross multiply
    397,637.06x = 548,734.89 × 236,488.58
  4. Step 4: Simplify right side
    397,637.06x = 129,769,534,932.56
  5. Step 5: Solve for x
    x = 129,769,534,932.56/397,637.06
  6. Step 6: Final answer
    x = 326,351.71

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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.