Home / 403,356.05-556,610.19-222,032.55

Finding the Fourth Proportional to 403,356.05, 556,610.19 and 222,032.55

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Solution

The fourth proportional to 403,356.05, 556,610.19 and 222,032.55 is: 306,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,356.05 : 556,610.19 = 222,032.55 : x
  2. Step 2: Convert to fraction form
    403,356.05/556,610.19 = 222,032.55/x
  3. Step 3: Cross multiply
    403,356.05x = 556,610.19 × 222,032.55
  4. Step 4: Simplify right side
    403,356.05x = 123,585,579,841.68
  5. Step 5: Solve for x
    x = 123,585,579,841.68/403,356.05
  6. Step 6: Final answer
    x = 306,393.27

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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.