Home / 396,516.54-547,193.32-215,228.37

Finding the Fourth Proportional to 396,516.54, 547,193.32 and 215,228.37

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Solution

The fourth proportional to 396,516.54, 547,193.32 and 215,228.37 is: 297,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,516.54 : 547,193.32 = 215,228.37 : x
  2. Step 2: Convert to fraction form
    396,516.54/547,193.32 = 215,228.37/x
  3. Step 3: Cross multiply
    396,516.54x = 547,193.32 × 215,228.37
  4. Step 4: Simplify right side
    396,516.54x = 117,771,524,446.11
  5. Step 5: Solve for x
    x = 117,771,524,446.11/396,516.54
  6. Step 6: Final answer
    x = 297,015.41

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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.