Home / 396,451.13-547,556.67-261,090.11

Finding the Fourth Proportional to 396,451.13, 547,556.67 and 261,090.11

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Solution

The fourth proportional to 396,451.13, 547,556.67 and 261,090.11 is: 360,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,451.13 : 547,556.67 = 261,090.11 : x
  2. Step 2: Convert to fraction form
    396,451.13/547,556.67 = 261,090.11/x
  3. Step 3: Cross multiply
    396,451.13x = 547,556.67 × 261,090.11
  4. Step 4: Simplify right side
    396,451.13x = 142,961,632,570.43
  5. Step 5: Solve for x
    x = 142,961,632,570.43/396,451.13
  6. Step 6: Final answer
    x = 360,603.42

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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.