Home / 403,546.64-556,872.50-222,223.12

Finding the Fourth Proportional to 403,546.64, 556,872.50 and 222,223.12

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Solution

The fourth proportional to 403,546.64, 556,872.50 and 222,223.12 is: 306,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,546.64 : 556,872.50 = 222,223.12 : x
  2. Step 2: Convert to fraction form
    403,546.64/556,872.50 = 222,223.12/x
  3. Step 3: Cross multiply
    403,546.64x = 556,872.50 × 222,223.12
  4. Step 4: Simplify right side
    403,546.64x = 123,749,944,392.20
  5. Step 5: Solve for x
    x = 123,749,944,392.20/403,546.64
  6. Step 6: Final answer
    x = 306,655.87

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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.