Home / 1,269,286.07-1,899,123.17-783,083.16

Finding the Fourth Proportional to 1,269,286.07, 1,899,123.17 and 783,083.16

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Solution

The fourth proportional to 1,269,286.07, 1,899,123.17 and 783,083.16 is: 1,171,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,286.07 : 1,899,123.17 = 783,083.16 : x
  2. Step 2: Convert to fraction form
    1,269,286.07/1,899,123.17 = 783,083.16/x
  3. Step 3: Cross multiply
    1,269,286.07x = 1,899,123.17 × 783,083.16
  4. Step 4: Simplify right side
    1,269,286.07x = 1,487,171,369,277.40
  5. Step 5: Solve for x
    x = 1,487,171,369,277.40/1,269,286.07
  6. Step 6: Final answer
    x = 1,171,659.73

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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.