Home / 1,338,906.60-1,847,007.90-854,962.92

Finding the Fourth Proportional to 1,338,906.60, 1,847,007.90 and 854,962.92

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Solution

The fourth proportional to 1,338,906.60, 1,847,007.90 and 854,962.92 is: 1,179,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,906.60 : 1,847,007.90 = 854,962.92 : x
  2. Step 2: Convert to fraction form
    1,338,906.60/1,847,007.90 = 854,962.92/x
  3. Step 3: Cross multiply
    1,338,906.60x = 1,847,007.90 × 854,962.92
  4. Step 4: Simplify right side
    1,338,906.60x = 1,579,123,267,447.07
  5. Step 5: Solve for x
    x = 1,579,123,267,447.07/1,338,906.60
  6. Step 6: Final answer
    x = 1,179,412.57

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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.