Home / 1,238,793.28-1,856,934.96-839,474.44

Finding the Fourth Proportional to 1,238,793.28, 1,856,934.96 and 839,474.44

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Solution

The fourth proportional to 1,238,793.28, 1,856,934.96 and 839,474.44 is: 1,258,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,793.28 : 1,856,934.96 = 839,474.44 : x
  2. Step 2: Convert to fraction form
    1,238,793.28/1,856,934.96 = 839,474.44/x
  3. Step 3: Cross multiply
    1,238,793.28x = 1,856,934.96 × 839,474.44
  4. Step 4: Simplify right side
    1,238,793.28x = 1,558,849,435,662.42
  5. Step 5: Solve for x
    x = 1,558,849,435,662.42/1,238,793.28
  6. Step 6: Final answer
    x = 1,258,361.23

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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.