Home / 396,444.75-547,097.82-215,158.23

Finding the Fourth Proportional to 396,444.75, 547,097.82 and 215,158.23

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Solution

The fourth proportional to 396,444.75, 547,097.82 and 215,158.23 is: 296,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,444.75 : 547,097.82 = 215,158.23 : x
  2. Step 2: Convert to fraction form
    396,444.75/547,097.82 = 215,158.23/x
  3. Step 3: Cross multiply
    396,444.75x = 547,097.82 × 215,158.23
  4. Step 4: Simplify right side
    396,444.75x = 117,712,598,588.06
  5. Step 5: Solve for x
    x = 117,712,598,588.06/396,444.75
  6. Step 6: Final answer
    x = 296,920.56

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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.