Home / 1,384,453.76-1,910,496.36-868,485.44

Finding the Fourth Proportional to 1,384,453.76, 1,910,496.36 and 868,485.44

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Solution

The fourth proportional to 1,384,453.76, 1,910,496.36 and 868,485.44 is: 1,198,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,453.76 : 1,910,496.36 = 868,485.44 : x
  2. Step 2: Convert to fraction form
    1,384,453.76/1,910,496.36 = 868,485.44/x
  3. Step 3: Cross multiply
    1,384,453.76x = 1,910,496.36 × 868,485.44
  4. Step 4: Simplify right side
    1,384,453.76x = 1,659,238,262,280.52
  5. Step 5: Solve for x
    x = 1,659,238,262,280.52/1,384,453.76
  6. Step 6: Final answer
    x = 1,198,478.65

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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.