Home / 327,470.36-491,185.49-192,609

Finding the Fourth Proportional to 327,470.36, 491,185.49 and 192,609

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Solution

The fourth proportional to 327,470.36, 491,185.49 and 192,609 is: 288,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470.36 : 491,185.49 = 192,609 : x
  2. Step 2: Convert to fraction form
    327,470.36/491,185.49 = 192,609/x
  3. Step 3: Cross multiply
    327,470.36x = 491,185.49 × 192,609
  4. Step 4: Simplify right side
    327,470.36x = 94,606,745,080.37
  5. Step 5: Solve for x
    x = 94,606,745,080.37/327,470.36
  6. Step 6: Final answer
    x = 288,901.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.