Home / 396,544.76-547,232.46-215,256.81

Finding the Fourth Proportional to 396,544.76, 547,232.46 and 215,256.81

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Solution

The fourth proportional to 396,544.76, 547,232.46 and 215,256.81 is: 297,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,544.76 : 547,232.46 = 215,256.81 : x
  2. Step 2: Convert to fraction form
    396,544.76/547,232.46 = 215,256.81/x
  3. Step 3: Cross multiply
    396,544.76x = 547,232.46 × 215,256.81
  4. Step 4: Simplify right side
    396,544.76x = 117,795,516,536.81
  5. Step 5: Solve for x
    x = 117,795,516,536.81/396,544.76
  6. Step 6: Final answer
    x = 297,054.78

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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.