Home / 1,785,405.16-2,463,850.38-969,601.78

Finding the Fourth Proportional to 1,785,405.16, 2,463,850.38 and 969,601.78

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Solution

The fourth proportional to 1,785,405.16, 2,463,850.38 and 969,601.78 is: 1,338,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,405.16 : 2,463,850.38 = 969,601.78 : x
  2. Step 2: Convert to fraction form
    1,785,405.16/2,463,850.38 = 969,601.78/x
  3. Step 3: Cross multiply
    1,785,405.16x = 2,463,850.38 × 969,601.78
  4. Step 4: Simplify right side
    1,785,405.16x = 2,388,953,714,101.68
  5. Step 5: Solve for x
    x = 2,388,953,714,101.68/1,785,405.16
  6. Step 6: Final answer
    x = 1,338,045.71

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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.