Home / 945,957.96-1,305,449.64-516,265.68

Finding the Fourth Proportional to 945,957.96, 1,305,449.64 and 516,265.68

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Solution

The fourth proportional to 945,957.96, 1,305,449.64 and 516,265.68 is: 712,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,957.96 : 1,305,449.64 = 516,265.68 : x
  2. Step 2: Convert to fraction form
    945,957.96/1,305,449.64 = 516,265.68/x
  3. Step 3: Cross multiply
    945,957.96x = 1,305,449.64 × 516,265.68
  4. Step 4: Simplify right side
    945,957.96x = 673,958,846,100.36
  5. Step 5: Solve for x
    x = 673,958,846,100.36/945,957.96
  6. Step 6: Final answer
    x = 712,461.73

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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.