Home / 1,086,993.49-1,500,633.38-838,091.81

Finding the Fourth Proportional to 1,086,993.49, 1,500,633.38 and 838,091.81

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Solution

The fourth proportional to 1,086,993.49, 1,500,633.38 and 838,091.81 is: 1,157,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,993.49 : 1,500,633.38 = 838,091.81 : x
  2. Step 2: Convert to fraction form
    1,086,993.49/1,500,633.38 = 838,091.81/x
  3. Step 3: Cross multiply
    1,086,993.49x = 1,500,633.38 × 838,091.81
  4. Step 4: Simplify right side
    1,086,993.49x = 1,257,668,555,781.45
  5. Step 5: Solve for x
    x = 1,257,668,555,781.45/1,086,993.49
  6. Step 6: Final answer
    x = 1,157,015.72

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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.