Home / 403,604.28-556,974.54-222,316.86

Finding the Fourth Proportional to 403,604.28, 556,974.54 and 222,316.86

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Solution

The fourth proportional to 403,604.28, 556,974.54 and 222,316.86 is: 306,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,604.28 : 556,974.54 = 222,316.86 : x
  2. Step 2: Convert to fraction form
    403,604.28/556,974.54 = 222,316.86/x
  3. Step 3: Cross multiply
    403,604.28x = 556,974.54 × 222,316.86
  4. Step 4: Simplify right side
    403,604.28x = 123,824,830,832.74
  5. Step 5: Solve for x
    x = 123,824,830,832.74/403,604.28
  6. Step 6: Final answer
    x = 306,797.62

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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.