Home / 396,920.07-595,388.03-127,099.68

Finding the Fourth Proportional to 396,920.07, 595,388.03 and 127,099.68

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Solution

The fourth proportional to 396,920.07, 595,388.03 and 127,099.68 is: 190,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,920.07 : 595,388.03 = 127,099.68 : x
  2. Step 2: Convert to fraction form
    396,920.07/595,388.03 = 127,099.68/x
  3. Step 3: Cross multiply
    396,920.07x = 595,388.03 × 127,099.68
  4. Step 4: Simplify right side
    396,920.07x = 75,673,627,453.33
  5. Step 5: Solve for x
    x = 75,673,627,453.33/396,920.07
  6. Step 6: Final answer
    x = 190,652.06

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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.