Home / 539,276.20-809,087.10-361,983.40

Finding the Fourth Proportional to 539,276.20, 809,087.10 and 361,983.40

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Solution

The fourth proportional to 539,276.20, 809,087.10 and 361,983.40 is: 543,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,276.20 : 809,087.10 = 361,983.40 : x
  2. Step 2: Convert to fraction form
    539,276.20/809,087.10 = 361,983.40/x
  3. Step 3: Cross multiply
    539,276.20x = 809,087.10 × 361,983.40
  4. Step 4: Simplify right side
    539,276.20x = 292,876,099,354.14
  5. Step 5: Solve for x
    x = 292,876,099,354.14/539,276.20
  6. Step 6: Final answer
    x = 543,091.09

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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.