Home / 1,238,792.28-1,856,933.46-839,473.44

Finding the Fourth Proportional to 1,238,792.28, 1,856,933.46 and 839,473.44

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Solution

The fourth proportional to 1,238,792.28, 1,856,933.46 and 839,473.44 is: 1,258,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,792.28 : 1,856,933.46 = 839,473.44 : x
  2. Step 2: Convert to fraction form
    1,238,792.28/1,856,933.46 = 839,473.44/x
  3. Step 3: Cross multiply
    1,238,792.28x = 1,856,933.46 × 839,473.44
  4. Step 4: Simplify right side
    1,238,792.28x = 1,558,846,319,517.30
  5. Step 5: Solve for x
    x = 1,558,846,319,517.30/1,238,792.28
  6. Step 6: Final answer
    x = 1,258,359.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.