Home / 568,000.78-851,403.07-188,819.75

Finding the Fourth Proportional to 568,000.78, 851,403.07 and 188,819.75

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Solution

The fourth proportional to 568,000.78, 851,403.07 and 188,819.75 is: 283,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,000.78 : 851,403.07 = 188,819.75 : x
  2. Step 2: Convert to fraction form
    568,000.78/851,403.07 = 188,819.75/x
  3. Step 3: Cross multiply
    568,000.78x = 851,403.07 × 188,819.75
  4. Step 4: Simplify right side
    568,000.78x = 160,761,714,826.63
  5. Step 5: Solve for x
    x = 160,761,714,826.63/568,000.78
  6. Step 6: Final answer
    x = 283,030.80

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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.