Home / 1,179,350.11-1,627,390.69-689,434.17

Finding the Fourth Proportional to 1,179,350.11, 1,627,390.69 and 689,434.17

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Solution

The fourth proportional to 1,179,350.11, 1,627,390.69 and 689,434.17 is: 951,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,350.11 : 1,627,390.69 = 689,434.17 : x
  2. Step 2: Convert to fraction form
    1,179,350.11/1,627,390.69 = 689,434.17/x
  3. Step 3: Cross multiply
    1,179,350.11x = 1,627,390.69 × 689,434.17
  4. Step 4: Simplify right side
    1,179,350.11x = 1,121,978,749,625.88
  5. Step 5: Solve for x
    x = 1,121,978,749,625.88/1,179,350.11
  6. Step 6: Final answer
    x = 951,353.41

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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.