Home / 1,227,873.06-1,682,193.96-1,181,851.56

Finding the Fourth Proportional to 1,227,873.06, 1,682,193.96 and 1,181,851.56

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Solution

The fourth proportional to 1,227,873.06, 1,682,193.96 and 1,181,851.56 is: 1,619,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,873.06 : 1,682,193.96 = 1,181,851.56 : x
  2. Step 2: Convert to fraction form
    1,227,873.06/1,682,193.96 = 1,181,851.56/x
  3. Step 3: Cross multiply
    1,227,873.06x = 1,682,193.96 × 1,181,851.56
  4. Step 4: Simplify right side
    1,227,873.06x = 1,988,103,555,848.58
  5. Step 5: Solve for x
    x = 1,988,103,555,848.58/1,227,873.06
  6. Step 6: Final answer
    x = 1,619,144.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.