Home / 1,412,712.54-1,949,567.67-768,137.09

Finding the Fourth Proportional to 1,412,712.54, 1,949,567.67 and 768,137.09

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Solution

The fourth proportional to 1,412,712.54, 1,949,567.67 and 768,137.09 is: 1,060,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,712.54 : 1,949,567.67 = 768,137.09 : x
  2. Step 2: Convert to fraction form
    1,412,712.54/1,949,567.67 = 768,137.09/x
  3. Step 3: Cross multiply
    1,412,712.54x = 1,949,567.67 × 768,137.09
  4. Step 4: Simplify right side
    1,412,712.54x = 1,497,535,236,791.88
  5. Step 5: Solve for x
    x = 1,497,535,236,791.88/1,412,712.54
  6. Step 6: Final answer
    x = 1,060,042.43

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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.