Home / 483,788.43-725,770.40-199,321.02

Finding the Fourth Proportional to 483,788.43, 725,770.40 and 199,321.02

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Solution

The fourth proportional to 483,788.43, 725,770.40 and 199,321.02 is: 299,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,788.43 : 725,770.40 = 199,321.02 : x
  2. Step 2: Convert to fraction form
    483,788.43/725,770.40 = 199,321.02/x
  3. Step 3: Cross multiply
    483,788.43x = 725,770.40 × 199,321.02
  4. Step 4: Simplify right side
    483,788.43x = 144,661,295,417.20
  5. Step 5: Solve for x
    x = 144,661,295,417.20/483,788.43
  6. Step 6: Final answer
    x = 299,017.68

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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.