Home / 568,368.20-851,429.10-288,086.60

Finding the Fourth Proportional to 568,368.20, 851,429.10 and 288,086.60

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Solution

The fourth proportional to 568,368.20, 851,429.10 and 288,086.60 is: 431,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,368.20 : 851,429.10 = 288,086.60 : x
  2. Step 2: Convert to fraction form
    568,368.20/851,429.10 = 288,086.60/x
  3. Step 3: Cross multiply
    568,368.20x = 851,429.10 × 288,086.60
  4. Step 4: Simplify right side
    568,368.20x = 245,285,314,560.06
  5. Step 5: Solve for x
    x = 245,285,314,560.06/568,368.20
  6. Step 6: Final answer
    x = 431,560.59

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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.