Home / 744,467.47-1,027,456.31-438,528.04

Finding the Fourth Proportional to 744,467.47, 1,027,456.31 and 438,528.04

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Solution

The fourth proportional to 744,467.47, 1,027,456.31 and 438,528.04 is: 605,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,467.47 : 1,027,456.31 = 438,528.04 : x
  2. Step 2: Convert to fraction form
    744,467.47/1,027,456.31 = 438,528.04/x
  3. Step 3: Cross multiply
    744,467.47x = 1,027,456.31 × 438,528.04
  4. Step 4: Simplify right side
    744,467.47x = 450,568,400,337.61
  5. Step 5: Solve for x
    x = 450,568,400,337.61/744,467.47
  6. Step 6: Final answer
    x = 605,222.42

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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.