Home / 396,828.76-547,627.71-215,544.24

Finding the Fourth Proportional to 396,828.76, 547,627.71 and 215,544.24

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Solution

The fourth proportional to 396,828.76, 547,627.71 and 215,544.24 is: 297,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,828.76 : 547,627.71 = 215,544.24 : x
  2. Step 2: Convert to fraction form
    396,828.76/547,627.71 = 215,544.24/x
  3. Step 3: Cross multiply
    396,828.76x = 547,627.71 × 215,544.24
  4. Step 4: Simplify right side
    396,828.76x = 118,037,998,554.89
  5. Step 5: Solve for x
    x = 118,037,998,554.89/396,828.76
  6. Step 6: Final answer
    x = 297,453.24

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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.