Home / 1,181,916.88-1,642,056.54-1,167,745.12

Finding the Fourth Proportional to 1,181,916.88, 1,642,056.54 and 1,167,745.12

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Solution

The fourth proportional to 1,181,916.88, 1,642,056.54 and 1,167,745.12 is: 1,622,367.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,916.88 : 1,642,056.54 = 1,167,745.12 : x
  2. Step 2: Convert to fraction form
    1,181,916.88/1,642,056.54 = 1,167,745.12/x
  3. Step 3: Cross multiply
    1,181,916.88x = 1,642,056.54 × 1,167,745.12
  4. Step 4: Simplify right side
    1,181,916.88x = 1,917,503,511,349.09
  5. Step 5: Solve for x
    x = 1,917,503,511,349.09/1,181,916.88
  6. Step 6: Final answer
    x = 1,622,367.48

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.