Home / 396,335.19-547,084.43-235,190.25

Finding the Fourth Proportional to 396,335.19, 547,084.43 and 235,190.25

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Solution

The fourth proportional to 396,335.19, 547,084.43 and 235,190.25 is: 324,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,335.19 : 547,084.43 = 235,190.25 : x
  2. Step 2: Convert to fraction form
    396,335.19/547,084.43 = 235,190.25/x
  3. Step 3: Cross multiply
    396,335.19x = 547,084.43 × 235,190.25
  4. Step 4: Simplify right side
    396,335.19x = 128,668,923,568.82
  5. Step 5: Solve for x
    x = 128,668,923,568.82/396,335.19
  6. Step 6: Final answer
    x = 324,646.73

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1.5x scale

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.