Home / 1,283,486.43-1,770,655.14-773,905.71

Finding the Fourth Proportional to 1,283,486.43, 1,770,655.14 and 773,905.71

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Solution

The fourth proportional to 1,283,486.43, 1,770,655.14 and 773,905.71 is: 1,067,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,486.43 : 1,770,655.14 = 773,905.71 : x
  2. Step 2: Convert to fraction form
    1,283,486.43/1,770,655.14 = 773,905.71/x
  3. Step 3: Cross multiply
    1,283,486.43x = 1,770,655.14 × 773,905.71
  4. Step 4: Simplify right side
    1,283,486.43x = 1,370,320,123,286.85
  5. Step 5: Solve for x
    x = 1,370,320,123,286.85/1,283,486.43
  6. Step 6: Final answer
    x = 1,067,654.55

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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.