Home / 1,639,667.88-2,262,745.11-914,496.96

Finding the Fourth Proportional to 1,639,667.88, 2,262,745.11 and 914,496.96

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Solution

The fourth proportional to 1,639,667.88, 2,262,745.11 and 914,496.96 is: 1,262,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,667.88 : 2,262,745.11 = 914,496.96 : x
  2. Step 2: Convert to fraction form
    1,639,667.88/2,262,745.11 = 914,496.96/x
  3. Step 3: Cross multiply
    1,639,667.88x = 2,262,745.11 × 914,496.96
  4. Step 4: Simplify right side
    1,639,667.88x = 2,069,273,524,349.87
  5. Step 5: Solve for x
    x = 2,069,273,524,349.87/1,639,667.88
  6. Step 6: Final answer
    x = 1,262,007.72

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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.