Home / 396,321.08-594,501.12-159,631.76

Finding the Fourth Proportional to 396,321.08, 594,501.12 and 159,631.76

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Solution

The fourth proportional to 396,321.08, 594,501.12 and 159,631.76 is: 239,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,321.08 : 594,501.12 = 159,631.76 : x
  2. Step 2: Convert to fraction form
    396,321.08/594,501.12 = 159,631.76/x
  3. Step 3: Cross multiply
    396,321.08x = 594,501.12 × 159,631.76
  4. Step 4: Simplify right side
    396,321.08x = 94,901,260,107.57
  5. Step 5: Solve for x
    x = 94,901,260,107.57/396,321.08
  6. Step 6: Final answer
    x = 239,455.49

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1.5x scale

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.