Home / 410,678.22-566,729.82-229,392.78

Finding the Fourth Proportional to 410,678.22, 566,729.82 and 229,392.78

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Solution

The fourth proportional to 410,678.22, 566,729.82 and 229,392.78 is: 316,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,678.22 : 566,729.82 = 229,392.78 : x
  2. Step 2: Convert to fraction form
    410,678.22/566,729.82 = 229,392.78/x
  3. Step 3: Cross multiply
    410,678.22x = 566,729.82 × 229,392.78
  4. Step 4: Simplify right side
    410,678.22x = 130,003,728,918.70
  5. Step 5: Solve for x
    x = 130,003,728,918.70/410,678.22
  6. Step 6: Final answer
    x = 316,558.62

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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.