Home / 566,912.23-782,339.96-308,788.38

Finding the Fourth Proportional to 566,912.23, 782,339.96 and 308,788.38

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Solution

The fourth proportional to 566,912.23, 782,339.96 and 308,788.38 is: 426,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,912.23 : 782,339.96 = 308,788.38 : x
  2. Step 2: Convert to fraction form
    566,912.23/782,339.96 = 308,788.38/x
  3. Step 3: Cross multiply
    566,912.23x = 782,339.96 × 308,788.38
  4. Step 4: Simplify right side
    566,912.23x = 241,577,488,857.67
  5. Step 5: Solve for x
    x = 241,577,488,857.67/566,912.23
  6. Step 6: Final answer
    x = 426,128.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.