Home / 1,338,705.16-1,846,728.66-854,761.48

Finding the Fourth Proportional to 1,338,705.16, 1,846,728.66 and 854,761.48

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Solution

The fourth proportional to 1,338,705.16, 1,846,728.66 and 854,761.48 is: 1,179,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,705.16 : 1,846,728.66 = 854,761.48 : x
  2. Step 2: Convert to fraction form
    1,338,705.16/1,846,728.66 = 854,761.48/x
  3. Step 3: Cross multiply
    1,338,705.16x = 1,846,728.66 × 854,761.48
  4. Step 4: Simplify right side
    1,338,705.16x = 1,578,512,522,580.02
  5. Step 5: Solve for x
    x = 1,578,512,522,580.02/1,338,705.16
  6. Step 6: Final answer
    x = 1,179,133.82

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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.