Home / 889,451.15-1,227,443.38-481,553.28

Finding the Fourth Proportional to 889,451.15, 1,227,443.38 and 481,553.28

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Solution

The fourth proportional to 889,451.15, 1,227,443.38 and 481,553.28 is: 664,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,451.15 : 1,227,443.38 = 481,553.28 : x
  2. Step 2: Convert to fraction form
    889,451.15/1,227,443.38 = 481,553.28/x
  3. Step 3: Cross multiply
    889,451.15x = 1,227,443.38 × 481,553.28
  4. Step 4: Simplify right side
    889,451.15x = 591,079,384,449.40
  5. Step 5: Solve for x
    x = 591,079,384,449.40/889,451.15
  6. Step 6: Final answer
    x = 664,543.96

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Double scale
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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.