Home / 889,083.42-1,226,936.70-481,185.78

Finding the Fourth Proportional to 889,083.42, 1,226,936.70 and 481,185.78

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Solution

The fourth proportional to 889,083.42, 1,226,936.70 and 481,185.78 is: 664,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,083.42 : 1,226,936.70 = 481,185.78 : x
  2. Step 2: Convert to fraction form
    889,083.42/1,226,936.70 = 481,185.78/x
  3. Step 3: Cross multiply
    889,083.42x = 1,226,936.70 × 481,185.78
  4. Step 4: Simplify right side
    889,083.42x = 590,384,493,000.13
  5. Step 5: Solve for x
    x = 590,384,493,000.13/889,083.42
  6. Step 6: Final answer
    x = 664,037.23

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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.