Home / 889,149.83-1,227,026.68-481,251.61

Finding the Fourth Proportional to 889,149.83, 1,227,026.68 and 481,251.61

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Solution

The fourth proportional to 889,149.83, 1,227,026.68 and 481,251.61 is: 664,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,149.83 : 1,227,026.68 = 481,251.61 : x
  2. Step 2: Convert to fraction form
    889,149.83/1,227,026.68 = 481,251.61/x
  3. Step 3: Cross multiply
    889,149.83x = 1,227,026.68 × 481,251.61
  4. Step 4: Simplify right side
    889,149.83x = 590,508,560,992.26
  5. Step 5: Solve for x
    x = 590,508,560,992.26/889,149.83
  6. Step 6: Final answer
    x = 664,127.17

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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.