Home / 397,429.26-548,593.20-236,283.48

Finding the Fourth Proportional to 397,429.26, 548,593.20 and 236,283.48

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Solution

The fourth proportional to 397,429.26, 548,593.20 and 236,283.48 is: 326,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,429.26 : 548,593.20 = 236,283.48 : x
  2. Step 2: Convert to fraction form
    397,429.26/548,593.20 = 236,283.48/x
  3. Step 3: Cross multiply
    397,429.26x = 548,593.20 × 236,283.48
  4. Step 4: Simplify right side
    397,429.26x = 129,623,510,400.34
  5. Step 5: Solve for x
    x = 129,623,510,400.34/397,429.26
  6. Step 6: Final answer
    x = 326,154.92

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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.