Home / 396,570.38-547,209.36-226,771.70

Finding the Fourth Proportional to 396,570.38, 547,209.36 and 226,771.70

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Solution

The fourth proportional to 396,570.38, 547,209.36 and 226,771.70 is: 312,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,570.38 : 547,209.36 = 226,771.70 : x
  2. Step 2: Convert to fraction form
    396,570.38/547,209.36 = 226,771.70/x
  3. Step 3: Cross multiply
    396,570.38x = 547,209.36 × 226,771.70
  4. Step 4: Simplify right side
    396,570.38x = 124,091,594,087.07
  5. Step 5: Solve for x
    x = 124,091,594,087.07/396,570.38
  6. Step 6: Final answer
    x = 312,911.91

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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.