Home / 804,342.50-1,206,245.82-324,446.36

Finding the Fourth Proportional to 804,342.50, 1,206,245.82 and 324,446.36

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Solution

The fourth proportional to 804,342.50, 1,206,245.82 and 324,446.36 is: 486,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,342.50 : 1,206,245.82 = 324,446.36 : x
  2. Step 2: Convert to fraction form
    804,342.50/1,206,245.82 = 324,446.36/x
  3. Step 3: Cross multiply
    804,342.50x = 1,206,245.82 × 324,446.36
  4. Step 4: Simplify right side
    804,342.50x = 391,362,065,564.22
  5. Step 5: Solve for x
    x = 391,362,065,564.22/804,342.50
  6. Step 6: Final answer
    x = 486,561.47

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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.