Home / 517,067.80-776,039.10-233,195.20

Finding the Fourth Proportional to 517,067.80, 776,039.10 and 233,195.20

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Solution

The fourth proportional to 517,067.80, 776,039.10 and 233,195.20 is: 349,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,067.80 : 776,039.10 = 233,195.20 : x
  2. Step 2: Convert to fraction form
    517,067.80/776,039.10 = 233,195.20/x
  3. Step 3: Cross multiply
    517,067.80x = 776,039.10 × 233,195.20
  4. Step 4: Simplify right side
    517,067.80x = 180,968,593,132.32
  5. Step 5: Solve for x
    x = 180,968,593,132.32/517,067.80
  6. Step 6: Final answer
    x = 349,990.07

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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.