Home / 1,443,873.75-1,992,656.44-823,692.57

Finding the Fourth Proportional to 1,443,873.75, 1,992,656.44 and 823,692.57

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Solution

The fourth proportional to 1,443,873.75, 1,992,656.44 and 823,692.57 is: 1,136,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,873.75 : 1,992,656.44 = 823,692.57 : x
  2. Step 2: Convert to fraction form
    1,443,873.75/1,992,656.44 = 823,692.57/x
  3. Step 3: Cross multiply
    1,443,873.75x = 1,992,656.44 × 823,692.57
  4. Step 4: Simplify right side
    1,443,873.75x = 1,641,336,293,114.53
  5. Step 5: Solve for x
    x = 1,641,336,293,114.53/1,443,873.75
  6. Step 6: Final answer
    x = 1,136,758.87

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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.