Home / 403,302.08-556,591.20-222,049.28

Finding the Fourth Proportional to 403,302.08, 556,591.20 and 222,049.28

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Solution

The fourth proportional to 403,302.08, 556,591.20 and 222,049.28 is: 306,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,302.08 : 556,591.20 = 222,049.28 : x
  2. Step 2: Convert to fraction form
    403,302.08/556,591.20 = 222,049.28/x
  3. Step 3: Cross multiply
    403,302.08x = 556,591.20 × 222,049.28
  4. Step 4: Simplify right side
    403,302.08x = 123,590,675,214.34
  5. Step 5: Solve for x
    x = 123,590,675,214.34/403,302.08
  6. Step 6: Final answer
    x = 306,446.91

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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.