Home / 568,539.20-851,685.60-368,998.40

Finding the Fourth Proportional to 568,539.20, 851,685.60 and 368,998.40

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Solution

The fourth proportional to 568,539.20, 851,685.60 and 368,998.40 is: 552,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,539.20 : 851,685.60 = 368,998.40 : x
  2. Step 2: Convert to fraction form
    568,539.20/851,685.60 = 368,998.40/x
  3. Step 3: Cross multiply
    568,539.20x = 851,685.60 × 368,998.40
  4. Step 4: Simplify right side
    568,539.20x = 314,270,623,703.04
  5. Step 5: Solve for x
    x = 314,270,623,703.04/568,539.20
  6. Step 6: Final answer
    x = 552,768.61

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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.