Home / 774,758.94-1,162,205.40-213,793.44

Finding the Fourth Proportional to 774,758.94, 1,162,205.40 and 213,793.44

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Solution

The fourth proportional to 774,758.94, 1,162,205.40 and 213,793.44 is: 320,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,758.94 : 1,162,205.40 = 213,793.44 : x
  2. Step 2: Convert to fraction form
    774,758.94/1,162,205.40 = 213,793.44/x
  3. Step 3: Cross multiply
    774,758.94x = 1,162,205.40 × 213,793.44
  4. Step 4: Simplify right side
    774,758.94x = 248,471,890,452.58
  5. Step 5: Solve for x
    x = 248,471,890,452.58/774,758.94
  6. Step 6: Final answer
    x = 320,708.65

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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.