Home / 419,949.14-579,544.39-238,668.71

Finding the Fourth Proportional to 419,949.14, 579,544.39 and 238,668.71

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Solution

The fourth proportional to 419,949.14, 579,544.39 and 238,668.71 is: 329,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,949.14 : 579,544.39 = 238,668.71 : x
  2. Step 2: Convert to fraction form
    419,949.14/579,544.39 = 238,668.71/x
  3. Step 3: Cross multiply
    419,949.14x = 579,544.39 × 238,668.71
  4. Step 4: Simplify right side
    419,949.14x = 138,319,113,280.84
  5. Step 5: Solve for x
    x = 138,319,113,280.84/419,949.14
  6. Step 6: Final answer
    x = 329,371.11

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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.