Home / 396,742.38-547,554.54-245,862.06

Finding the Fourth Proportional to 396,742.38, 547,554.54 and 245,862.06

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Solution

The fourth proportional to 396,742.38, 547,554.54 and 245,862.06 is: 339,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,742.38 : 547,554.54 = 245,862.06 : x
  2. Step 2: Convert to fraction form
    396,742.38/547,554.54 = 245,862.06/x
  3. Step 3: Cross multiply
    396,742.38x = 547,554.54 × 245,862.06
  4. Step 4: Simplify right side
    396,742.38x = 134,622,887,166.75
  5. Step 5: Solve for x
    x = 134,622,887,166.75/396,742.38
  6. Step 6: Final answer
    x = 339,320.66

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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.