Home / 403,450.70-556,761.97-222,162.20

Finding the Fourth Proportional to 403,450.70, 556,761.97 and 222,162.20

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Solution

The fourth proportional to 403,450.70, 556,761.97 and 222,162.20 is: 306,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,450.70 : 556,761.97 = 222,162.20 : x
  2. Step 2: Convert to fraction form
    403,450.70/556,761.97 = 222,162.20/x
  3. Step 3: Cross multiply
    403,450.70x = 556,761.97 × 222,162.20
  4. Step 4: Simplify right side
    403,450.70x = 123,691,464,131.53
  5. Step 5: Solve for x
    x = 123,691,464,131.53/403,450.70
  6. Step 6: Final answer
    x = 306,583.84

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1.5x scale

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.