Home / 1,212,928.36-1,673,847.30-669,083.56

Finding the Fourth Proportional to 1,212,928.36, 1,673,847.30 and 669,083.56

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Solution

The fourth proportional to 1,212,928.36, 1,673,847.30 and 669,083.56 is: 923,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,928.36 : 1,673,847.30 = 669,083.56 : x
  2. Step 2: Convert to fraction form
    1,212,928.36/1,673,847.30 = 669,083.56/x
  3. Step 3: Cross multiply
    1,212,928.36x = 1,673,847.30 × 669,083.56
  4. Step 4: Simplify right side
    1,212,928.36x = 1,119,943,710,380.39
  5. Step 5: Solve for x
    x = 1,119,943,710,380.39/1,212,928.36
  6. Step 6: Final answer
    x = 923,338.71

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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.