Home / 889,443.11-1,227,441.40-481,553.84

Finding the Fourth Proportional to 889,443.11, 1,227,441.40 and 481,553.84

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Solution

The fourth proportional to 889,443.11, 1,227,441.40 and 481,553.84 is: 664,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,443.11 : 1,227,441.40 = 481,553.84 : x
  2. Step 2: Convert to fraction form
    889,443.11/1,227,441.40 = 481,553.84/x
  3. Step 3: Cross multiply
    889,443.11x = 1,227,441.40 × 481,553.84
  4. Step 4: Simplify right side
    889,443.11x = 591,079,121,409.70
  5. Step 5: Solve for x
    x = 591,079,121,409.70/889,443.11
  6. Step 6: Final answer
    x = 664,549.66

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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.