Home / 1,258,209.43-1,736,348.78-685,249.14

Finding the Fourth Proportional to 1,258,209.43, 1,736,348.78 and 685,249.14

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Solution

The fourth proportional to 1,258,209.43, 1,736,348.78 and 685,249.14 is: 945,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,209.43 : 1,736,348.78 = 685,249.14 : x
  2. Step 2: Convert to fraction form
    1,258,209.43/1,736,348.78 = 685,249.14/x
  3. Step 3: Cross multiply
    1,258,209.43x = 1,736,348.78 × 685,249.14
  4. Step 4: Simplify right side
    1,258,209.43x = 1,189,831,508,235.05
  5. Step 5: Solve for x
    x = 1,189,831,508,235.05/1,258,209.43
  6. Step 6: Final answer
    x = 945,654.58

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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.