Home / 744,883.42-1,027,855.38-438,939.94

Finding the Fourth Proportional to 744,883.42, 1,027,855.38 and 438,939.94

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Solution

The fourth proportional to 744,883.42, 1,027,855.38 and 438,939.94 is: 605,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,883.42 : 1,027,855.38 = 438,939.94 : x
  2. Step 2: Convert to fraction form
    744,883.42/1,027,855.38 = 438,939.94/x
  3. Step 3: Cross multiply
    744,883.42x = 1,027,855.38 × 438,939.94
  4. Step 4: Simplify right side
    744,883.42x = 451,166,778,825.88
  5. Step 5: Solve for x
    x = 451,166,778,825.88/744,883.42
  6. Step 6: Final answer
    x = 605,687.77

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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.