Home / 548,201.05-822,357.98-206,931.94

Finding the Fourth Proportional to 548,201.05, 822,357.98 and 206,931.94

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Solution

The fourth proportional to 548,201.05, 822,357.98 and 206,931.94 is: 310,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,201.05 : 822,357.98 = 206,931.94 : x
  2. Step 2: Convert to fraction form
    548,201.05/822,357.98 = 206,931.94/x
  3. Step 3: Cross multiply
    548,201.05x = 822,357.98 × 206,931.94
  4. Step 4: Simplify right side
    548,201.05x = 170,172,132,175.88
  5. Step 5: Solve for x
    x = 170,172,132,175.88/548,201.05
  6. Step 6: Final answer
    x = 310,419.20

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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.