Home / 923,548.80-1,384,156.80-449,212.80

Finding the Fourth Proportional to 923,548.80, 1,384,156.80 and 449,212.80

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Solution

The fourth proportional to 923,548.80, 1,384,156.80 and 449,212.80 is: 673,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,548.80 : 1,384,156.80 = 449,212.80 : x
  2. Step 2: Convert to fraction form
    923,548.80/1,384,156.80 = 449,212.80/x
  3. Step 3: Cross multiply
    923,548.80x = 1,384,156.80 × 449,212.80
  4. Step 4: Simplify right side
    923,548.80x = 621,780,951,767.04
  5. Step 5: Solve for x
    x = 621,780,951,767.04/923,548.80
  6. Step 6: Final answer
    x = 673,251.86

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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.