Home / 403,198.66-556,414.20-219,437.92

Finding the Fourth Proportional to 403,198.66, 556,414.20 and 219,437.92

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Solution

The fourth proportional to 403,198.66, 556,414.20 and 219,437.92 is: 302,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,198.66 : 556,414.20 = 219,437.92 : x
  2. Step 2: Convert to fraction form
    403,198.66/556,414.20 = 219,437.92/x
  3. Step 3: Cross multiply
    403,198.66x = 556,414.20 × 219,437.92
  4. Step 4: Simplify right side
    403,198.66x = 122,098,370,827.20
  5. Step 5: Solve for x
    x = 122,098,370,827.20/403,198.66
  6. Step 6: Final answer
    x = 302,824.35

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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.