Home / 403,357.17-556,611.75-222,033.68

Finding the Fourth Proportional to 403,357.17, 556,611.75 and 222,033.68

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Solution

The fourth proportional to 403,357.17, 556,611.75 and 222,033.68 is: 306,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,357.17 : 556,611.75 = 222,033.68 : x
  2. Step 2: Convert to fraction form
    403,357.17/556,611.75 = 222,033.68/x
  3. Step 3: Cross multiply
    403,357.17x = 556,611.75 × 222,033.68
  4. Step 4: Simplify right side
    403,357.17x = 123,586,552,400.68
  5. Step 5: Solve for x
    x = 123,586,552,400.68/403,357.17
  6. Step 6: Final answer
    x = 306,394.83

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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.