Home / 882,553.20-1,324,175.40-321,644.40

Finding the Fourth Proportional to 882,553.20, 1,324,175.40 and 321,644.40

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Solution

The fourth proportional to 882,553.20, 1,324,175.40 and 321,644.40 is: 482,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,553.20 : 1,324,175.40 = 321,644.40 : x
  2. Step 2: Convert to fraction form
    882,553.20/1,324,175.40 = 321,644.40/x
  3. Step 3: Cross multiply
    882,553.20x = 1,324,175.40 × 321,644.40
  4. Step 4: Simplify right side
    882,553.20x = 425,913,602,027.76
  5. Step 5: Solve for x
    x = 425,913,602,027.76/882,553.20
  6. Step 6: Final answer
    x = 482,592.55

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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.