Home / 804,481.90-1,206,707.32-324,697.03

Finding the Fourth Proportional to 804,481.90, 1,206,707.32 and 324,697.03

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Solution

The fourth proportional to 804,481.90, 1,206,707.32 and 324,697.03 is: 487,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,481.90 : 1,206,707.32 = 324,697.03 : x
  2. Step 2: Convert to fraction form
    804,481.90/1,206,707.32 = 324,697.03/x
  3. Step 3: Cross multiply
    804,481.90x = 1,206,707.32 × 324,697.03
  4. Step 4: Simplify right side
    804,481.90x = 391,814,282,883.26
  5. Step 5: Solve for x
    x = 391,814,282,883.26/804,481.90
  6. Step 6: Final answer
    x = 487,039.28

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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.