Home / 1,338,912.73-1,847,016.35-854,969.05

Finding the Fourth Proportional to 1,338,912.73, 1,847,016.35 and 854,969.05

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Solution

The fourth proportional to 1,338,912.73, 1,847,016.35 and 854,969.05 is: 1,179,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,912.73 : 1,847,016.35 = 854,969.05 : x
  2. Step 2: Convert to fraction form
    1,338,912.73/1,847,016.35 = 854,969.05/x
  3. Step 3: Cross multiply
    1,338,912.73x = 1,847,016.35 × 854,969.05
  4. Step 4: Simplify right side
    1,338,912.73x = 1,579,141,814,093.97
  5. Step 5: Solve for x
    x = 1,579,141,814,093.97/1,338,912.73
  6. Step 6: Final answer
    x = 1,179,421.02

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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.