Home / 1,603,257.45-2,212,497.44-868,213.01

Finding the Fourth Proportional to 1,603,257.45, 2,212,497.44 and 868,213.01

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Solution

The fourth proportional to 1,603,257.45, 2,212,497.44 and 868,213.01 is: 1,198,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,257.45 : 2,212,497.44 = 868,213.01 : x
  2. Step 2: Convert to fraction form
    1,603,257.45/2,212,497.44 = 868,213.01/x
  3. Step 3: Cross multiply
    1,603,257.45x = 2,212,497.44 × 868,213.01
  4. Step 4: Simplify right side
    1,603,257.45x = 1,920,919,046,596.14
  5. Step 5: Solve for x
    x = 1,920,919,046,596.14/1,603,257.45
  6. Step 6: Final answer
    x = 1,198,135.11

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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.