Home / 1,173,266.91-1,619,131.32-765,629.55

Finding the Fourth Proportional to 1,173,266.91, 1,619,131.32 and 765,629.55

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Solution

The fourth proportional to 1,173,266.91, 1,619,131.32 and 765,629.55 is: 1,056,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,266.91 : 1,619,131.32 = 765,629.55 : x
  2. Step 2: Convert to fraction form
    1,173,266.91/1,619,131.32 = 765,629.55/x
  3. Step 3: Cross multiply
    1,173,266.91x = 1,619,131.32 × 765,629.55
  4. Step 4: Simplify right side
    1,173,266.91x = 1,239,654,783,922.51
  5. Step 5: Solve for x
    x = 1,239,654,783,922.51/1,173,266.91
  6. Step 6: Final answer
    x = 1,056,583.78

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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.