Home / 1,394,125.44-1,923,813.36-773,898.72

Finding the Fourth Proportional to 1,394,125.44, 1,923,813.36 and 773,898.72

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Solution

The fourth proportional to 1,394,125.44, 1,923,813.36 and 773,898.72 is: 1,067,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,125.44 : 1,923,813.36 = 773,898.72 : x
  2. Step 2: Convert to fraction form
    1,394,125.44/1,923,813.36 = 773,898.72/x
  3. Step 3: Cross multiply
    1,394,125.44x = 1,923,813.36 × 773,898.72
  4. Step 4: Simplify right side
    1,394,125.44x = 1,488,836,696,822.90
  5. Step 5: Solve for x
    x = 1,488,836,696,822.90/1,394,125.44
  6. Step 6: Final answer
    x = 1,067,935.96

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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.