Home / 511,218.11-766,592.39-174,121.62

Finding the Fourth Proportional to 511,218.11, 766,592.39 and 174,121.62

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Solution

The fourth proportional to 511,218.11, 766,592.39 and 174,121.62 is: 261,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,218.11 : 766,592.39 = 174,121.62 : x
  2. Step 2: Convert to fraction form
    511,218.11/766,592.39 = 174,121.62/x
  3. Step 3: Cross multiply
    511,218.11x = 766,592.39 × 174,121.62
  4. Step 4: Simplify right side
    511,218.11x = 133,480,308,826.47
  5. Step 5: Solve for x
    x = 133,480,308,826.47/511,218.11
  6. Step 6: Final answer
    x = 261,102.47

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1.5x scale

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.