Home / 396,424.77-594,638.55-115,942.02

Finding the Fourth Proportional to 396,424.77, 594,638.55 and 115,942.02

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Solution

The fourth proportional to 396,424.77, 594,638.55 and 115,942.02 is: 173,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,424.77 : 594,638.55 = 115,942.02 : x
  2. Step 2: Convert to fraction form
    396,424.77/594,638.55 = 115,942.02/x
  3. Step 3: Cross multiply
    396,424.77x = 594,638.55 × 115,942.02
  4. Step 4: Simplify right side
    396,424.77x = 68,943,594,656.87
  5. Step 5: Solve for x
    x = 68,943,594,656.87/396,424.77
  6. Step 6: Final answer
    x = 173,913.44

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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.