Home / 1,289,012.41-1,778,887.61-881,967.97

Finding the Fourth Proportional to 1,289,012.41, 1,778,887.61 and 881,967.97

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Solution

The fourth proportional to 1,289,012.41, 1,778,887.61 and 881,967.97 is: 1,217,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,012.41 : 1,778,887.61 = 881,967.97 : x
  2. Step 2: Convert to fraction form
    1,289,012.41/1,778,887.61 = 881,967.97/x
  3. Step 3: Cross multiply
    1,289,012.41x = 1,778,887.61 × 881,967.97
  4. Step 4: Simplify right side
    1,289,012.41x = 1,568,921,894,249.85
  5. Step 5: Solve for x
    x = 1,568,921,894,249.85/1,289,012.41
  6. Step 6: Final answer
    x = 1,217,150.34

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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.