Home / 744,992.44-1,117,488.66-613,131.64

Finding the Fourth Proportional to 744,992.44, 1,117,488.66 and 613,131.64

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Solution

The fourth proportional to 744,992.44, 1,117,488.66 and 613,131.64 is: 919,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,992.44 : 1,117,488.66 = 613,131.64 : x
  2. Step 2: Convert to fraction form
    744,992.44/1,117,488.66 = 613,131.64/x
  3. Step 3: Cross multiply
    744,992.44x = 1,117,488.66 × 613,131.64
  4. Step 4: Simplify right side
    744,992.44x = 685,167,654,787.20
  5. Step 5: Solve for x
    x = 685,167,654,787.20/744,992.44
  6. Step 6: Final answer
    x = 919,697.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.