Home / 403,338.42-556,604.06-222,053.54

Finding the Fourth Proportional to 403,338.42, 556,604.06 and 222,053.54

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Solution

The fourth proportional to 403,338.42, 556,604.06 and 222,053.54 is: 306,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,338.42 : 556,604.06 = 222,053.54 : x
  2. Step 2: Convert to fraction form
    403,338.42/556,604.06 = 222,053.54/x
  3. Step 3: Cross multiply
    403,338.42x = 556,604.06 × 222,053.54
  4. Step 4: Simplify right side
    403,338.42x = 123,595,898,008.08
  5. Step 5: Solve for x
    x = 123,595,898,008.08/403,338.42
  6. Step 6: Final answer
    x = 306,432.25

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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.