Home / 945,884.70-1,305,310.14-516,172.14

Finding the Fourth Proportional to 945,884.70, 1,305,310.14 and 516,172.14

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Solution

The fourth proportional to 945,884.70, 1,305,310.14 and 516,172.14 is: 712,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,884.70 : 1,305,310.14 = 516,172.14 : x
  2. Step 2: Convert to fraction form
    945,884.70/1,305,310.14 = 516,172.14/x
  3. Step 3: Cross multiply
    945,884.70x = 1,305,310.14 × 516,172.14
  4. Step 4: Simplify right side
    945,884.70x = 673,764,728,327.50
  5. Step 5: Solve for x
    x = 673,764,728,327.50/945,884.70
  6. Step 6: Final answer
    x = 712,311.69

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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.