Home / 783,856.62-1,081,738.38-444,324.87

Finding the Fourth Proportional to 783,856.62, 1,081,738.38 and 444,324.87

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Solution

The fourth proportional to 783,856.62, 1,081,738.38 and 444,324.87 is: 613,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,856.62 : 1,081,738.38 = 444,324.87 : x
  2. Step 2: Convert to fraction form
    783,856.62/1,081,738.38 = 444,324.87/x
  3. Step 3: Cross multiply
    783,856.62x = 1,081,738.38 × 444,324.87
  4. Step 4: Simplify right side
    783,856.62x = 480,643,265,067.51
  5. Step 5: Solve for x
    x = 480,643,265,067.51/783,856.62
  6. Step 6: Final answer
    x = 613,177.53

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1.5x scale

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.