Home / 1,621,278.20-2,237,372.82-886,233.58

Finding the Fourth Proportional to 1,621,278.20, 2,237,372.82 and 886,233.58

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Solution

The fourth proportional to 1,621,278.20, 2,237,372.82 and 886,233.58 is: 1,223,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,278.20 : 2,237,372.82 = 886,233.58 : x
  2. Step 2: Convert to fraction form
    1,621,278.20/2,237,372.82 = 886,233.58/x
  3. Step 3: Cross multiply
    1,621,278.20x = 2,237,372.82 × 886,233.58
  4. Step 4: Simplify right side
    1,621,278.20x = 1,982,834,924,063.30
  5. Step 5: Solve for x
    x = 1,982,834,924,063.30/1,621,278.20
  6. Step 6: Final answer
    x = 1,223,007.21

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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.