Home / 820,983.33-1,133,145.89-481,560.93

Finding the Fourth Proportional to 820,983.33, 1,133,145.89 and 481,560.93

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Solution

The fourth proportional to 820,983.33, 1,133,145.89 and 481,560.93 is: 664,664.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,983.33 : 1,133,145.89 = 481,560.93 : x
  2. Step 2: Convert to fraction form
    820,983.33/1,133,145.89 = 481,560.93/x
  3. Step 3: Cross multiply
    820,983.33x = 1,133,145.89 × 481,560.93
  4. Step 4: Simplify right side
    820,983.33x = 545,678,788,614.08
  5. Step 5: Solve for x
    x = 545,678,788,614.08/820,983.33
  6. Step 6: Final answer
    x = 664,664.88

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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.