Home / 482,143.82-721,087.04-292,078.94

Finding the Fourth Proportional to 482,143.82, 721,087.04 and 292,078.94

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Solution

The fourth proportional to 482,143.82, 721,087.04 and 292,078.94 is: 436,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,143.82 : 721,087.04 = 292,078.94 : x
  2. Step 2: Convert to fraction form
    482,143.82/721,087.04 = 292,078.94/x
  3. Step 3: Cross multiply
    482,143.82x = 721,087.04 × 292,078.94
  4. Step 4: Simplify right side
    482,143.82x = 210,614,335,415.70
  5. Step 5: Solve for x
    x = 210,614,335,415.70/482,143.82
  6. Step 6: Final answer
    x = 436,828.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.