Home / 889,431.03-1,227,406.23-481,522.46

Finding the Fourth Proportional to 889,431.03, 1,227,406.23 and 481,522.46

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Solution

The fourth proportional to 889,431.03, 1,227,406.23 and 481,522.46 is: 664,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,431.03 : 1,227,406.23 = 481,522.46 : x
  2. Step 2: Convert to fraction form
    889,431.03/1,227,406.23 = 481,522.46/x
  3. Step 3: Cross multiply
    889,431.03x = 1,227,406.23 × 481,522.46
  4. Step 4: Simplify right side
    889,431.03x = 591,023,661,151.90
  5. Step 5: Solve for x
    x = 591,023,661,151.90/889,431.03
  6. Step 6: Final answer
    x = 664,496.34

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Half scale
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Double scale
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Similar ratio
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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.