Home / 1,219,192.14-1,682,466.03-667,903.44

Finding the Fourth Proportional to 1,219,192.14, 1,682,466.03 and 667,903.44

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Solution

The fourth proportional to 1,219,192.14, 1,682,466.03 and 667,903.44 is: 921,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,192.14 : 1,682,466.03 = 667,903.44 : x
  2. Step 2: Convert to fraction form
    1,219,192.14/1,682,466.03 = 667,903.44/x
  3. Step 3: Cross multiply
    1,219,192.14x = 1,682,466.03 × 667,903.44
  4. Step 4: Simplify right side
    1,219,192.14x = 1,123,724,849,120.14
  5. Step 5: Solve for x
    x = 1,123,724,849,120.14/1,219,192.14
  6. Step 6: Final answer
    x = 921,696.27

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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.