Home / 396,139.55-546,588.42-235,046.94

Finding the Fourth Proportional to 396,139.55, 546,588.42 and 235,046.94

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Solution

The fourth proportional to 396,139.55, 546,588.42 and 235,046.94 is: 324,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,139.55 : 546,588.42 = 235,046.94 : x
  2. Step 2: Convert to fraction form
    396,139.55/546,588.42 = 235,046.94/x
  3. Step 3: Cross multiply
    396,139.55x = 546,588.42 × 235,046.94
  4. Step 4: Simplify right side
    396,139.55x = 128,473,935,560.44
  5. Step 5: Solve for x
    x = 128,473,935,560.44/396,139.55
  6. Step 6: Final answer
    x = 324,314.85

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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.