Home / 384,083.43-529,956.01-220,708.38

Finding the Fourth Proportional to 384,083.43, 529,956.01 and 220,708.38

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Solution

The fourth proportional to 384,083.43, 529,956.01 and 220,708.38 is: 304,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,083.43 : 529,956.01 = 220,708.38 : x
  2. Step 2: Convert to fraction form
    384,083.43/529,956.01 = 220,708.38/x
  3. Step 3: Cross multiply
    384,083.43x = 529,956.01 × 220,708.38
  4. Step 4: Simplify right side
    384,083.43x = 116,965,731,334.82
  5. Step 5: Solve for x
    x = 116,965,731,334.82/384,083.43
  6. Step 6: Final answer
    x = 304,532.09

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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.