Home / 945,918.87-1,305,395.76-516,226.69

Finding the Fourth Proportional to 945,918.87, 1,305,395.76 and 516,226.69

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Solution

The fourth proportional to 945,918.87, 1,305,395.76 and 516,226.69 is: 712,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,918.87 : 1,305,395.76 = 516,226.69 : x
  2. Step 2: Convert to fraction form
    945,918.87/1,305,395.76 = 516,226.69/x
  3. Step 3: Cross multiply
    945,918.87x = 1,305,395.76 × 516,226.69
  4. Step 4: Simplify right side
    945,918.87x = 673,880,132,324.83
  5. Step 5: Solve for x
    x = 673,880,132,324.83/945,918.87
  6. Step 6: Final answer
    x = 712,407.96

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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.