Home / 950,178.44-1,311,246.56-520,474.05

Finding the Fourth Proportional to 950,178.44, 1,311,246.56 and 520,474.05

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Solution

The fourth proportional to 950,178.44, 1,311,246.56 and 520,474.05 is: 718,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,178.44 : 1,311,246.56 = 520,474.05 : x
  2. Step 2: Convert to fraction form
    950,178.44/1,311,246.56 = 520,474.05/x
  3. Step 3: Cross multiply
    950,178.44x = 1,311,246.56 × 520,474.05
  4. Step 4: Simplify right side
    950,178.44x = 682,469,808,932.95
  5. Step 5: Solve for x
    x = 682,469,808,932.95/950,178.44
  6. Step 6: Final answer
    x = 718,254.36

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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.