Home / 1,196,764.54-1,651,371.51-687,466.78

Finding the Fourth Proportional to 1,196,764.54, 1,651,371.51 and 687,466.78

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Solution

The fourth proportional to 1,196,764.54, 1,651,371.51 and 687,466.78 is: 948,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,764.54 : 1,651,371.51 = 687,466.78 : x
  2. Step 2: Convert to fraction form
    1,196,764.54/1,651,371.51 = 687,466.78/x
  3. Step 3: Cross multiply
    1,196,764.54x = 1,651,371.51 × 687,466.78
  4. Step 4: Simplify right side
    1,196,764.54x = 1,135,263,054,563.44
  5. Step 5: Solve for x
    x = 1,135,263,054,563.44/1,196,764.54
  6. Step 6: Final answer
    x = 948,610.20

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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.