Home / 945,864.90-1,305,321.26-516,172.73

Finding the Fourth Proportional to 945,864.90, 1,305,321.26 and 516,172.73

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Solution

The fourth proportional to 945,864.90, 1,305,321.26 and 516,172.73 is: 712,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,864.90 : 1,305,321.26 = 516,172.73 : x
  2. Step 2: Convert to fraction form
    945,864.90/1,305,321.26 = 516,172.73/x
  3. Step 3: Cross multiply
    945,864.90x = 1,305,321.26 × 516,172.73
  4. Step 4: Simplify right side
    945,864.90x = 673,771,229,193.77
  5. Step 5: Solve for x
    x = 673,771,229,193.77/945,864.90
  6. Step 6: Final answer
    x = 712,333.47

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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.