Home / 820,936.14-1,133,080.83-481,513.74

Finding the Fourth Proportional to 820,936.14, 1,133,080.83 and 481,513.74

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Solution

The fourth proportional to 820,936.14, 1,133,080.83 and 481,513.74 is: 664,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,936.14 : 1,133,080.83 = 481,513.74 : x
  2. Step 2: Convert to fraction form
    820,936.14/1,133,080.83 = 481,513.74/x
  3. Step 3: Cross multiply
    820,936.14x = 1,133,080.83 × 481,513.74
  4. Step 4: Simplify right side
    820,936.14x = 545,593,988,175.60
  5. Step 5: Solve for x
    x = 545,593,988,175.60/820,936.14
  6. Step 6: Final answer
    x = 664,599.79

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1.5x scale

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.