Home / 744,323.37-1,027,144.31-422,062.89

Finding the Fourth Proportional to 744,323.37, 1,027,144.31 and 422,062.89

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Solution

The fourth proportional to 744,323.37, 1,027,144.31 and 422,062.89 is: 582,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,323.37 : 1,027,144.31 = 422,062.89 : x
  2. Step 2: Convert to fraction form
    744,323.37/1,027,144.31 = 422,062.89/x
  3. Step 3: Cross multiply
    744,323.37x = 1,027,144.31 × 422,062.89
  4. Step 4: Simplify right side
    744,323.37x = 433,519,493,815.34
  5. Step 5: Solve for x
    x = 433,519,493,815.34/744,323.37
  6. Step 6: Final answer
    x = 582,434.34

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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.