Home / 705,099.20-1,057,424.52-231,675.44

Finding the Fourth Proportional to 705,099.20, 1,057,424.52 and 231,675.44

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Solution

The fourth proportional to 705,099.20, 1,057,424.52 and 231,675.44 is: 347,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,099.20 : 1,057,424.52 = 231,675.44 : x
  2. Step 2: Convert to fraction form
    705,099.20/1,057,424.52 = 231,675.44/x
  3. Step 3: Cross multiply
    705,099.20x = 1,057,424.52 × 231,675.44
  4. Step 4: Simplify right side
    705,099.20x = 244,979,290,937.79
  5. Step 5: Solve for x
    x = 244,979,290,937.79/705,099.20
  6. Step 6: Final answer
    x = 347,439.47

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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.