Home / 396,922.23-547,763.18-227,211.03

Finding the Fourth Proportional to 396,922.23, 547,763.18 and 227,211.03

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Solution

The fourth proportional to 396,922.23, 547,763.18 and 227,211.03 is: 313,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,922.23 : 547,763.18 = 227,211.03 : x
  2. Step 2: Convert to fraction form
    396,922.23/547,763.18 = 227,211.03/x
  3. Step 3: Cross multiply
    396,922.23x = 547,763.18 × 227,211.03
  4. Step 4: Simplify right side
    396,922.23x = 124,457,835,187.82
  5. Step 5: Solve for x
    x = 124,457,835,187.82/396,922.23
  6. Step 6: Final answer
    x = 313,557.23

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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.