Home / 777,692.22-1,166,427.30-245,143.92

Finding the Fourth Proportional to 777,692.22, 1,166,427.30 and 245,143.92

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Solution

The fourth proportional to 777,692.22, 1,166,427.30 and 245,143.92 is: 367,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,692.22 : 1,166,427.30 = 245,143.92 : x
  2. Step 2: Convert to fraction form
    777,692.22/1,166,427.30 = 245,143.92/x
  3. Step 3: Cross multiply
    777,692.22x = 1,166,427.30 × 245,143.92
  4. Step 4: Simplify right side
    777,692.22x = 285,942,560,717.02
  5. Step 5: Solve for x
    x = 285,942,560,717.02/777,692.22
  6. Step 6: Final answer
    x = 367,680.88

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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.