Home / 515,568.27-773,252.23-259,332.60

Finding the Fourth Proportional to 515,568.27, 773,252.23 and 259,332.60

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Solution

The fourth proportional to 515,568.27, 773,252.23 and 259,332.60 is: 388,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,568.27 : 773,252.23 = 259,332.60 : x
  2. Step 2: Convert to fraction form
    515,568.27/773,252.23 = 259,332.60/x
  3. Step 3: Cross multiply
    515,568.27x = 773,252.23 × 259,332.60
  4. Step 4: Simplify right side
    515,568.27x = 200,529,511,261.70
  5. Step 5: Solve for x
    x = 200,529,511,261.70/515,568.27
  6. Step 6: Final answer
    x = 388,948.51

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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.