Home / 744,879.42-1,027,849.86-438,935.94

Finding the Fourth Proportional to 744,879.42, 1,027,849.86 and 438,935.94

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Solution

The fourth proportional to 744,879.42, 1,027,849.86 and 438,935.94 is: 605,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,879.42 : 1,027,849.86 = 438,935.94 : x
  2. Step 2: Convert to fraction form
    744,879.42/1,027,849.86 = 438,935.94/x
  3. Step 3: Cross multiply
    744,879.42x = 1,027,849.86 × 438,935.94
  4. Step 4: Simplify right side
    744,879.42x = 451,160,244,477.97
  5. Step 5: Solve for x
    x = 451,160,244,477.97/744,879.42
  6. Step 6: Final answer
    x = 605,682.25

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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.