Home / 483,930.56-726,043.20-247,439.36

Finding the Fourth Proportional to 483,930.56, 726,043.20 and 247,439.36

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Solution

The fourth proportional to 483,930.56, 726,043.20 and 247,439.36 is: 371,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,930.56 : 726,043.20 = 247,439.36 : x
  2. Step 2: Convert to fraction form
    483,930.56/726,043.20 = 247,439.36/x
  3. Step 3: Cross multiply
    483,930.56x = 726,043.20 × 247,439.36
  4. Step 4: Simplify right side
    483,930.56x = 179,651,664,740.35
  5. Step 5: Solve for x
    x = 179,651,664,740.35/483,930.56
  6. Step 6: Final answer
    x = 371,234.39

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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.