Home / 889,418.94-1,227,398.57-481,520.85

Finding the Fourth Proportional to 889,418.94, 1,227,398.57 and 481,520.85

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Solution

The fourth proportional to 889,418.94, 1,227,398.57 and 481,520.85 is: 664,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,418.94 : 1,227,398.57 = 481,520.85 : x
  2. Step 2: Convert to fraction form
    889,418.94/1,227,398.57 = 481,520.85/x
  3. Step 3: Cross multiply
    889,418.94x = 1,227,398.57 × 481,520.85
  4. Step 4: Simplify right side
    889,418.94x = 591,018,002,715.19
  5. Step 5: Solve for x
    x = 591,018,002,715.19/889,418.94
  6. Step 6: Final answer
    x = 664,499.01

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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.