Home / 1,257,998.04-1,735,991.46-685,025.64

Finding the Fourth Proportional to 1,257,998.04, 1,735,991.46 and 685,025.64

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Solution

The fourth proportional to 1,257,998.04, 1,735,991.46 and 685,025.64 is: 945,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,998.04 : 1,735,991.46 = 685,025.64 : x
  2. Step 2: Convert to fraction form
    1,257,998.04/1,735,991.46 = 685,025.64/x
  3. Step 3: Cross multiply
    1,257,998.04x = 1,735,991.46 × 685,025.64
  4. Step 4: Simplify right side
    1,257,998.04x = 1,189,198,660,921.03
  5. Step 5: Solve for x
    x = 1,189,198,660,921.03/1,257,998.04
  6. Step 6: Final answer
    x = 945,310.42

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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.