Home / 396,736.48-547,255.92-235,485.28

Finding the Fourth Proportional to 396,736.48, 547,255.92 and 235,485.28

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Solution

The fourth proportional to 396,736.48, 547,255.92 and 235,485.28 is: 324,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,736.48 : 547,255.92 = 235,485.28 : x
  2. Step 2: Convert to fraction form
    396,736.48/547,255.92 = 235,485.28/x
  3. Step 3: Cross multiply
    396,736.48x = 547,255.92 × 235,485.28
  4. Step 4: Simplify right side
    396,736.48x = 128,870,713,552.86
  5. Step 5: Solve for x
    x = 128,870,713,552.86/396,736.48
  6. Step 6: Final answer
    x = 324,826.98

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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.