Home / 1,213,923.36-1,818,548.16-758,692.56

Finding the Fourth Proportional to 1,213,923.36, 1,818,548.16 and 758,692.56

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Solution

The fourth proportional to 1,213,923.36, 1,818,548.16 and 758,692.56 is: 1,136,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,923.36 : 1,818,548.16 = 758,692.56 : x
  2. Step 2: Convert to fraction form
    1,213,923.36/1,818,548.16 = 758,692.56/x
  3. Step 3: Cross multiply
    1,213,923.36x = 1,818,548.16 × 758,692.56
  4. Step 4: Simplify right side
    1,213,923.36x = 1,379,718,958,993.69
  5. Step 5: Solve for x
    x = 1,379,718,958,993.69/1,213,923.36
  6. Step 6: Final answer
    x = 1,136,578.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.