Home / 620,245.80-929,778.06-199,226.52

Finding the Fourth Proportional to 620,245.80, 929,778.06 and 199,226.52

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Solution

The fourth proportional to 620,245.80, 929,778.06 and 199,226.52 is: 298,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,245.80 : 929,778.06 = 199,226.52 : x
  2. Step 2: Convert to fraction form
    620,245.80/929,778.06 = 199,226.52/x
  3. Step 3: Cross multiply
    620,245.80x = 929,778.06 × 199,226.52
  4. Step 4: Simplify right side
    620,245.80x = 185,236,447,266.15
  5. Step 5: Solve for x
    x = 185,236,447,266.15/620,245.80
  6. Step 6: Final answer
    x = 298,650.06

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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.