Home / 693,462.70-1,040,198.01-213,684.22

Finding the Fourth Proportional to 693,462.70, 1,040,198.01 and 213,684.22

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Solution

The fourth proportional to 693,462.70, 1,040,198.01 and 213,684.22 is: 320,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,462.70 : 1,040,198.01 = 213,684.22 : x
  2. Step 2: Convert to fraction form
    693,462.70/1,040,198.01 = 213,684.22/x
  3. Step 3: Cross multiply
    693,462.70x = 1,040,198.01 × 213,684.22
  4. Step 4: Simplify right side
    693,462.70x = 222,273,900,412.40
  5. Step 5: Solve for x
    x = 222,273,900,412.40/693,462.70
  6. Step 6: Final answer
    x = 320,527.55

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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.