Home / 721,440.24-1,082,338.44-222,804.24

Finding the Fourth Proportional to 721,440.24, 1,082,338.44 and 222,804.24

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Solution

The fourth proportional to 721,440.24, 1,082,338.44 and 222,804.24 is: 334,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,440.24 : 1,082,338.44 = 222,804.24 : x
  2. Step 2: Convert to fraction form
    721,440.24/1,082,338.44 = 222,804.24/x
  3. Step 3: Cross multiply
    721,440.24x = 1,082,338.44 × 222,804.24
  4. Step 4: Simplify right side
    721,440.24x = 241,149,593,546.99
  5. Step 5: Solve for x
    x = 241,149,593,546.99/721,440.24
  6. Step 6: Final answer
    x = 334,261.36

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Double scale
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Similar ratio
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1.5x scale

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.