Home / 1,378,186.67-1,901,745.38-826,873.13

Finding the Fourth Proportional to 1,378,186.67, 1,901,745.38 and 826,873.13

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Solution

The fourth proportional to 1,378,186.67, 1,901,745.38 and 826,873.13 is: 1,140,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,186.67 : 1,901,745.38 = 826,873.13 : x
  2. Step 2: Convert to fraction form
    1,378,186.67/1,901,745.38 = 826,873.13/x
  3. Step 3: Cross multiply
    1,378,186.67x = 1,901,745.38 × 826,873.13
  4. Step 4: Simplify right side
    1,378,186.67x = 1,572,502,141,180.55
  5. Step 5: Solve for x
    x = 1,572,502,141,180.55/1,378,186.67
  6. Step 6: Final answer
    x = 1,140,993.58

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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.