Home / 403,352.25-556,604.96-222,028.76

Finding the Fourth Proportional to 403,352.25, 556,604.96 and 222,028.76

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Solution

The fourth proportional to 403,352.25, 556,604.96 and 222,028.76 is: 306,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,352.25 : 556,604.96 = 222,028.76 : x
  2. Step 2: Convert to fraction form
    403,352.25/556,604.96 = 222,028.76/x
  3. Step 3: Cross multiply
    403,352.25x = 556,604.96 × 222,028.76
  4. Step 4: Simplify right side
    403,352.25x = 123,582,309,078.65
  5. Step 5: Solve for x
    x = 123,582,309,078.65/403,352.25
  6. Step 6: Final answer
    x = 306,388.05

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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.