Home / 396,270.63-546,853.41-226,508.40

Finding the Fourth Proportional to 396,270.63, 546,853.41 and 226,508.40

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Solution

The fourth proportional to 396,270.63, 546,853.41 and 226,508.40 is: 312,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,270.63 : 546,853.41 = 226,508.40 : x
  2. Step 2: Convert to fraction form
    396,270.63/546,853.41 = 226,508.40/x
  3. Step 3: Cross multiply
    396,270.63x = 546,853.41 × 226,508.40
  4. Step 4: Simplify right side
    396,270.63x = 123,866,890,933.64
  5. Step 5: Solve for x
    x = 123,866,890,933.64/396,270.63
  6. Step 6: Final answer
    x = 312,581.56

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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.