Home / 308,623.26-462,685.77-283,711.97

Finding the Fourth Proportional to 308,623.26, 462,685.77 and 283,711.97

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Solution

The fourth proportional to 308,623.26, 462,685.77 and 283,711.97 is: 425,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,623.26 : 462,685.77 = 283,711.97 : x
  2. Step 2: Convert to fraction form
    308,623.26/462,685.77 = 283,711.97/x
  3. Step 3: Cross multiply
    308,623.26x = 462,685.77 × 283,711.97
  4. Step 4: Simplify right side
    308,623.26x = 131,269,489,851.77
  5. Step 5: Solve for x
    x = 131,269,489,851.77/308,623.26
  6. Step 6: Final answer
    x = 425,338.93

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1.5x scale

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.