Home / 568,037.60-851,732.40-213,063.20

Finding the Fourth Proportional to 568,037.60, 851,732.40 and 213,063.20

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Solution

The fourth proportional to 568,037.60, 851,732.40 and 213,063.20 is: 319,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,037.60 : 851,732.40 = 213,063.20 : x
  2. Step 2: Convert to fraction form
    568,037.60/851,732.40 = 213,063.20/x
  3. Step 3: Cross multiply
    568,037.60x = 851,732.40 × 213,063.20
  4. Step 4: Simplify right side
    568,037.60x = 181,472,830,687.68
  5. Step 5: Solve for x
    x = 181,472,830,687.68/568,037.60
  6. Step 6: Final answer
    x = 319,473.27

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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.