Home / 774,534.90-1,162,257.06-325,221.24

Finding the Fourth Proportional to 774,534.90, 1,162,257.06 and 325,221.24

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Solution

The fourth proportional to 774,534.90, 1,162,257.06 and 325,221.24 is: 488,022.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,534.90 : 1,162,257.06 = 325,221.24 : x
  2. Step 2: Convert to fraction form
    774,534.90/1,162,257.06 = 325,221.24/x
  3. Step 3: Cross multiply
    774,534.90x = 1,162,257.06 × 325,221.24
  4. Step 4: Simplify right side
    774,534.90x = 377,990,682,251.95
  5. Step 5: Solve for x
    x = 377,990,682,251.95/774,534.90
  6. Step 6: Final answer
    x = 488,022.79

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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.