Home / 923,789.19-1,385,532.82-324,610.12

Finding the Fourth Proportional to 923,789.19, 1,385,532.82 and 324,610.12

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Solution

The fourth proportional to 923,789.19, 1,385,532.82 and 324,610.12 is: 486,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,789.19 : 1,385,532.82 = 324,610.12 : x
  2. Step 2: Convert to fraction form
    923,789.19/1,385,532.82 = 324,610.12/x
  3. Step 3: Cross multiply
    923,789.19x = 1,385,532.82 × 324,610.12
  4. Step 4: Simplify right side
    923,789.19x = 449,757,974,964.14
  5. Step 5: Solve for x
    x = 449,757,974,964.14/923,789.19
  6. Step 6: Final answer
    x = 486,862.13

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.