Home / 396,428.82-594,638.03-96,912.02

Finding the Fourth Proportional to 396,428.82, 594,638.03 and 96,912.02

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Solution

The fourth proportional to 396,428.82, 594,638.03 and 96,912.02 is: 145,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,428.82 : 594,638.03 = 96,912.02 : x
  2. Step 2: Convert to fraction form
    396,428.82/594,638.03 = 96,912.02/x
  3. Step 3: Cross multiply
    396,428.82x = 594,638.03 × 96,912.02
  4. Step 4: Simplify right side
    396,428.82x = 57,627,569,198.37
  5. Step 5: Solve for x
    x = 57,627,569,198.37/396,428.82
  6. Step 6: Final answer
    x = 145,366.75

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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.