Home / 950,344.60-1,311,471.66-520,651.48

Finding the Fourth Proportional to 950,344.60, 1,311,471.66 and 520,651.48

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Solution

The fourth proportional to 950,344.60, 1,311,471.66 and 520,651.48 is: 718,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,344.60 : 1,311,471.66 = 520,651.48 : x
  2. Step 2: Convert to fraction form
    950,344.60/1,311,471.66 = 520,651.48/x
  3. Step 3: Cross multiply
    950,344.60x = 1,311,471.66 × 520,651.48
  4. Step 4: Simplify right side
    950,344.60x = 682,819,660,757.06
  5. Step 5: Solve for x
    x = 682,819,660,757.06/950,344.60
  6. Step 6: Final answer
    x = 718,496.91

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1.5x scale

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.