Home / 1,243,758.78-1,716,367-699,894.25

Finding the Fourth Proportional to 1,243,758.78, 1,716,367 and 699,894.25

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Solution

The fourth proportional to 1,243,758.78, 1,716,367 and 699,894.25 is: 965,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,758.78 : 1,716,367 = 699,894.25 : x
  2. Step 2: Convert to fraction form
    1,243,758.78/1,716,367 = 699,894.25/x
  3. Step 3: Cross multiply
    1,243,758.78x = 1,716,367 × 699,894.25
  4. Step 4: Simplify right side
    1,243,758.78x = 1,201,275,394,189.75
  5. Step 5: Solve for x
    x = 1,201,275,394,189.75/1,243,758.78
  6. Step 6: Final answer
    x = 965,842.74

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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.