Home / 820,984.33-1,133,147.27-481,561.93

Finding the Fourth Proportional to 820,984.33, 1,133,147.27 and 481,561.93

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Solution

The fourth proportional to 820,984.33, 1,133,147.27 and 481,561.93 is: 664,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,984.33 : 1,133,147.27 = 481,561.93 : x
  2. Step 2: Convert to fraction form
    820,984.33/1,133,147.27 = 481,561.93/x
  3. Step 3: Cross multiply
    820,984.33x = 1,133,147.27 × 481,561.93
  4. Step 4: Simplify right side
    820,984.33x = 545,680,586,315.43
  5. Step 5: Solve for x
    x = 545,680,586,315.43/820,984.33
  6. Step 6: Final answer
    x = 664,666.26

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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.