Home / 396,249.03-546,823.65-226,486.80

Finding the Fourth Proportional to 396,249.03, 546,823.65 and 226,486.80

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Solution

The fourth proportional to 396,249.03, 546,823.65 and 226,486.80 is: 312,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,249.03 : 546,823.65 = 226,486.80 : x
  2. Step 2: Convert to fraction form
    396,249.03/546,823.65 = 226,486.80/x
  3. Step 3: Cross multiply
    396,249.03x = 546,823.65 × 226,486.80
  4. Step 4: Simplify right side
    396,249.03x = 123,848,338,652.82
  5. Step 5: Solve for x
    x = 123,848,338,652.82/396,249.03
  6. Step 6: Final answer
    x = 312,551.78

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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.