Home / 744,286.22-1,027,090.95-422,025.02

Finding the Fourth Proportional to 744,286.22, 1,027,090.95 and 422,025.02

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Solution

The fourth proportional to 744,286.22, 1,027,090.95 and 422,025.02 is: 582,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,286.22 : 1,027,090.95 = 422,025.02 : x
  2. Step 2: Convert to fraction form
    744,286.22/1,027,090.95 = 422,025.02/x
  3. Step 3: Cross multiply
    744,286.22x = 1,027,090.95 × 422,025.02
  4. Step 4: Simplify right side
    744,286.22x = 433,458,078,715.57
  5. Step 5: Solve for x
    x = 433,458,078,715.57/744,286.22
  6. Step 6: Final answer
    x = 582,380.90

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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.