Home / 1,418,777.22-1,957,917.60-774,211.62

Finding the Fourth Proportional to 1,418,777.22, 1,957,917.60 and 774,211.62

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Solution

The fourth proportional to 1,418,777.22, 1,957,917.60 and 774,211.62 is: 1,068,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,777.22 : 1,957,917.60 = 774,211.62 : x
  2. Step 2: Convert to fraction form
    1,418,777.22/1,957,917.60 = 774,211.62/x
  3. Step 3: Cross multiply
    1,418,777.22x = 1,957,917.60 × 774,211.62
  4. Step 4: Simplify right side
    1,418,777.22x = 1,515,842,556,922.51
  5. Step 5: Solve for x
    x = 1,515,842,556,922.51/1,418,777.22
  6. Step 6: Final answer
    x = 1,068,414.78

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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.