Home / 403,620.06-556,995.69-222,331.43

Finding the Fourth Proportional to 403,620.06, 556,995.69 and 222,331.43

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Solution

The fourth proportional to 403,620.06, 556,995.69 and 222,331.43 is: 306,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,620.06 : 556,995.69 = 222,331.43 : x
  2. Step 2: Convert to fraction form
    403,620.06/556,995.69 = 222,331.43/x
  3. Step 3: Cross multiply
    403,620.06x = 556,995.69 × 222,331.43
  4. Step 4: Simplify right side
    403,620.06x = 123,837,649,654.03
  5. Step 5: Solve for x
    x = 123,837,649,654.03/403,620.06
  6. Step 6: Final answer
    x = 306,817.38

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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.