Home / 479,664.17-661,919.15-264,799.62

Finding the Fourth Proportional to 479,664.17, 661,919.15 and 264,799.62

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Solution

The fourth proportional to 479,664.17, 661,919.15 and 264,799.62 is: 365,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,664.17 : 661,919.15 = 264,799.62 : x
  2. Step 2: Convert to fraction form
    479,664.17/661,919.15 = 264,799.62/x
  3. Step 3: Cross multiply
    479,664.17x = 661,919.15 × 264,799.62
  4. Step 4: Simplify right side
    479,664.17x = 175,275,938,066.73
  5. Step 5: Solve for x
    x = 175,275,938,066.73/479,664.17
  6. Step 6: Final answer
    x = 365,413.87

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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.