Home / 396,825.01-547,622.54-215,540.48

Finding the Fourth Proportional to 396,825.01, 547,622.54 and 215,540.48

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Solution

The fourth proportional to 396,825.01, 547,622.54 and 215,540.48 is: 297,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,825.01 : 547,622.54 = 215,540.48 : x
  2. Step 2: Convert to fraction form
    396,825.01/547,622.54 = 215,540.48/x
  3. Step 3: Cross multiply
    396,825.01x = 547,622.54 × 215,540.48
  4. Step 4: Simplify right side
    396,825.01x = 118,034,825,130.42
  5. Step 5: Solve for x
    x = 118,034,825,130.42/396,825.01
  6. Step 6: Final answer
    x = 297,448.05

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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.