Home / 1,418,876.80-1,958,091.57-774,338.54

Finding the Fourth Proportional to 1,418,876.80, 1,958,091.57 and 774,338.54

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Solution

The fourth proportional to 1,418,876.80, 1,958,091.57 and 774,338.54 is: 1,068,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,876.80 : 1,958,091.57 = 774,338.54 : x
  2. Step 2: Convert to fraction form
    1,418,876.80/1,958,091.57 = 774,338.54/x
  3. Step 3: Cross multiply
    1,418,876.80x = 1,958,091.57 × 774,338.54
  4. Step 4: Simplify right side
    1,418,876.80x = 1,516,225,757,709.65
  5. Step 5: Solve for x
    x = 1,516,225,757,709.65/1,418,876.80
  6. Step 6: Final answer
    x = 1,068,609.88

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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.