Home / 1,086,696.40-1,628,489.40-800,150.80

Finding the Fourth Proportional to 1,086,696.40, 1,628,489.40 and 800,150.80

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Solution

The fourth proportional to 1,086,696.40, 1,628,489.40 and 800,150.80 is: 1,199,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,696.40 : 1,628,489.40 = 800,150.80 : x
  2. Step 2: Convert to fraction form
    1,086,696.40/1,628,489.40 = 800,150.80/x
  3. Step 3: Cross multiply
    1,086,696.40x = 1,628,489.40 × 800,150.80
  4. Step 4: Simplify right side
    1,086,696.40x = 1,303,037,096,201.52
  5. Step 5: Solve for x
    x = 1,303,037,096,201.52/1,086,696.40
  6. Step 6: Final answer
    x = 1,199,081.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.