Home / 792,023.80-1,187,744.10-259,562.20

Finding the Fourth Proportional to 792,023.80, 1,187,744.10 and 259,562.20

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Solution

The fourth proportional to 792,023.80, 1,187,744.10 and 259,562.20 is: 389,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,023.80 : 1,187,744.10 = 259,562.20 : x
  2. Step 2: Convert to fraction form
    792,023.80/1,187,744.10 = 259,562.20/x
  3. Step 3: Cross multiply
    792,023.80x = 1,187,744.10 × 259,562.20
  4. Step 4: Simplify right side
    792,023.80x = 308,293,471,633.02
  5. Step 5: Solve for x
    x = 308,293,471,633.02/792,023.80
  6. Step 6: Final answer
    x = 389,247.74

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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.