Home / 1,009,936.58-1,394,217.52-628,086.38

Finding the Fourth Proportional to 1,009,936.58, 1,394,217.52 and 628,086.38

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Solution

The fourth proportional to 1,009,936.58, 1,394,217.52 and 628,086.38 is: 867,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,936.58 : 1,394,217.52 = 628,086.38 : x
  2. Step 2: Convert to fraction form
    1,009,936.58/1,394,217.52 = 628,086.38/x
  3. Step 3: Cross multiply
    1,009,936.58x = 1,394,217.52 × 628,086.38
  4. Step 4: Simplify right side
    1,009,936.58x = 875,689,035,069.38
  5. Step 5: Solve for x
    x = 875,689,035,069.38/1,009,936.58
  6. Step 6: Final answer
    x = 867,073.29

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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.