Home / 889,546.47-1,227,568.97-481,639.89

Finding the Fourth Proportional to 889,546.47, 1,227,568.97 and 481,639.89

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Solution

The fourth proportional to 889,546.47, 1,227,568.97 and 481,639.89 is: 664,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,546.47 : 1,227,568.97 = 481,639.89 : x
  2. Step 2: Convert to fraction form
    889,546.47/1,227,568.97 = 481,639.89/x
  3. Step 3: Cross multiply
    889,546.47x = 1,227,568.97 × 481,639.89
  4. Step 4: Simplify right side
    889,546.47x = 591,246,182,580.62
  5. Step 5: Solve for x
    x = 591,246,182,580.62/889,546.47
  6. Step 6: Final answer
    x = 664,660.25

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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.