Home / 1,928,257.12-2,892,414.24-729,857.66

Finding the Fourth Proportional to 1,928,257.12, 2,892,414.24 and 729,857.66

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Solution

The fourth proportional to 1,928,257.12, 2,892,414.24 and 729,857.66 is: 1,094,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,257.12 : 2,892,414.24 = 729,857.66 : x
  2. Step 2: Convert to fraction form
    1,928,257.12/2,892,414.24 = 729,857.66/x
  3. Step 3: Cross multiply
    1,928,257.12x = 2,892,414.24 × 729,857.66
  4. Step 4: Simplify right side
    1,928,257.12x = 2,111,050,696,188.11
  5. Step 5: Solve for x
    x = 2,111,050,696,188.11/1,928,257.12
  6. Step 6: Final answer
    x = 1,094,797.31

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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.