Home / 853,899.51-1,280,847.65-801,936.39

Finding the Fourth Proportional to 853,899.51, 1,280,847.65 and 801,936.39

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Solution

The fourth proportional to 853,899.51, 1,280,847.65 and 801,936.39 is: 1,202,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,899.51 : 1,280,847.65 = 801,936.39 : x
  2. Step 2: Convert to fraction form
    853,899.51/1,280,847.65 = 801,936.39/x
  3. Step 3: Cross multiply
    853,899.51x = 1,280,847.65 × 801,936.39
  4. Step 4: Simplify right side
    853,899.51x = 1,027,158,336,571.30
  5. Step 5: Solve for x
    x = 1,027,158,336,571.30/853,899.51
  6. Step 6: Final answer
    x = 1,202,903.06

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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.