Home / 526,198.09-789,165.78-206,414.95

Finding the Fourth Proportional to 526,198.09, 789,165.78 and 206,414.95

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Solution

The fourth proportional to 526,198.09, 789,165.78 and 206,414.95 is: 309,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,198.09 : 789,165.78 = 206,414.95 : x
  2. Step 2: Convert to fraction form
    526,198.09/789,165.78 = 206,414.95/x
  3. Step 3: Cross multiply
    526,198.09x = 789,165.78 × 206,414.95
  4. Step 4: Simplify right side
    526,198.09x = 162,895,615,020.41
  5. Step 5: Solve for x
    x = 162,895,615,020.41/526,198.09
  6. Step 6: Final answer
    x = 309,570.90

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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.