Home / 403,351.91-556,604.51-222,028.43

Finding the Fourth Proportional to 403,351.91, 556,604.51 and 222,028.43

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Solution

The fourth proportional to 403,351.91, 556,604.51 and 222,028.43 is: 306,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,351.91 : 556,604.51 = 222,028.43 : x
  2. Step 2: Convert to fraction form
    403,351.91/556,604.51 = 222,028.43/x
  3. Step 3: Cross multiply
    403,351.91x = 556,604.51 × 222,028.43
  4. Step 4: Simplify right side
    403,351.91x = 123,582,021,593.06
  5. Step 5: Solve for x
    x = 123,582,021,593.06/403,351.91
  6. Step 6: Final answer
    x = 306,387.60

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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.