Home / 1,385,859.38-1,912,297.01-773,933.94

Finding the Fourth Proportional to 1,385,859.38, 1,912,297.01 and 773,933.94

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Solution

The fourth proportional to 1,385,859.38, 1,912,297.01 and 773,933.94 is: 1,067,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,859.38 : 1,912,297.01 = 773,933.94 : x
  2. Step 2: Convert to fraction form
    1,385,859.38/1,912,297.01 = 773,933.94/x
  3. Step 3: Cross multiply
    1,385,859.38x = 1,912,297.01 × 773,933.94
  4. Step 4: Simplify right side
    1,385,859.38x = 1,479,991,555,529.85
  5. Step 5: Solve for x
    x = 1,479,991,555,529.85/1,385,859.38
  6. Step 6: Final answer
    x = 1,067,923.33

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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.