Home / 1,669,791.78-2,302,890.23-1,283,542.11

Finding the Fourth Proportional to 1,669,791.78, 2,302,890.23 and 1,283,542.11

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Solution

The fourth proportional to 1,669,791.78, 2,302,890.23 and 1,283,542.11 is: 1,770,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,791.78 : 2,302,890.23 = 1,283,542.11 : x
  2. Step 2: Convert to fraction form
    1,669,791.78/2,302,890.23 = 1,283,542.11/x
  3. Step 3: Cross multiply
    1,669,791.78x = 2,302,890.23 × 1,283,542.11
  4. Step 4: Simplify right side
    1,669,791.78x = 2,955,856,584,912.59
  5. Step 5: Solve for x
    x = 2,955,856,584,912.59/1,669,791.78
  6. Step 6: Final answer
    x = 1,770,194.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.