Home / 396,312.06-546,910.68-226,549.83

Finding the Fourth Proportional to 396,312.06, 546,910.68 and 226,549.83

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Solution

The fourth proportional to 396,312.06, 546,910.68 and 226,549.83 is: 312,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,312.06 : 546,910.68 = 226,549.83 : x
  2. Step 2: Convert to fraction form
    396,312.06/546,910.68 = 226,549.83/x
  3. Step 3: Cross multiply
    396,312.06x = 546,910.68 × 226,549.83
  4. Step 4: Simplify right side
    396,312.06x = 123,902,521,579.18
  5. Step 5: Solve for x
    x = 123,902,521,579.18/396,312.06
  6. Step 6: Final answer
    x = 312,638.79

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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.