Home / 993,190.60-1,489,785.90-922,331.80

Finding the Fourth Proportional to 993,190.60, 1,489,785.90 and 922,331.80

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Solution

The fourth proportional to 993,190.60, 1,489,785.90 and 922,331.80 is: 1,383,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,190.60 : 1,489,785.90 = 922,331.80 : x
  2. Step 2: Convert to fraction form
    993,190.60/1,489,785.90 = 922,331.80/x
  3. Step 3: Cross multiply
    993,190.60x = 1,489,785.90 × 922,331.80
  4. Step 4: Simplify right side
    993,190.60x = 1,374,076,910,761.62
  5. Step 5: Solve for x
    x = 1,374,076,910,761.62/993,190.60
  6. Step 6: Final answer
    x = 1,383,497.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.