Home / 396,441.29-547,089.26-215,153.17

Finding the Fourth Proportional to 396,441.29, 547,089.26 and 215,153.17

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Solution

The fourth proportional to 396,441.29, 547,089.26 and 215,153.17 is: 296,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,441.29 : 547,089.26 = 215,153.17 : x
  2. Step 2: Convert to fraction form
    396,441.29/547,089.26 = 215,153.17/x
  3. Step 3: Cross multiply
    396,441.29x = 547,089.26 × 215,153.17
  4. Step 4: Simplify right side
    396,441.29x = 117,707,986,118.47
  5. Step 5: Solve for x
    x = 117,707,986,118.47/396,441.29
  6. Step 6: Final answer
    x = 296,911.52

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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.