Home / 396,523.08-547,187.00-215,231.11

Finding the Fourth Proportional to 396,523.08, 547,187.00 and 215,231.11

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Solution

The fourth proportional to 396,523.08, 547,187.00 and 215,231.11 is: 297,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,523.08 : 547,187.00 = 215,231.11 : x
  2. Step 2: Convert to fraction form
    396,523.08/547,187.00 = 215,231.11/x
  3. Step 3: Cross multiply
    396,523.08x = 547,187.00 × 215,231.11
  4. Step 4: Simplify right side
    396,523.08x = 117,771,662,943.45
  5. Step 5: Solve for x
    x = 117,771,662,943.45/396,523.08
  6. Step 6: Final answer
    x = 297,010.86

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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.