Home / 468,796.06-646,513.27-307,589.86

Finding the Fourth Proportional to 468,796.06, 646,513.27 and 307,589.86

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Solution

The fourth proportional to 468,796.06, 646,513.27 and 307,589.86 is: 424,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,796.06 : 646,513.27 = 307,589.86 : x
  2. Step 2: Convert to fraction form
    468,796.06/646,513.27 = 307,589.86/x
  3. Step 3: Cross multiply
    468,796.06x = 646,513.27 × 307,589.86
  4. Step 4: Simplify right side
    468,796.06x = 198,860,926,207.44
  5. Step 5: Solve for x
    x = 198,860,926,207.44/468,796.06
  6. Step 6: Final answer
    x = 424,194.96

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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.