Home / 403,318.55-556,559.61-222,046.36

Finding the Fourth Proportional to 403,318.55, 556,559.61 and 222,046.36

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Solution

The fourth proportional to 403,318.55, 556,559.61 and 222,046.36 is: 306,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,318.55 : 556,559.61 = 222,046.36 : x
  2. Step 2: Convert to fraction form
    403,318.55/556,559.61 = 222,046.36/x
  3. Step 3: Cross multiply
    403,318.55x = 556,559.61 × 222,046.36
  4. Step 4: Simplify right side
    403,318.55x = 123,582,035,523.52
  5. Step 5: Solve for x
    x = 123,582,035,523.52/403,318.55
  6. Step 6: Final answer
    x = 306,412.97

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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.