Home / 751,546.22-1,126,137.54-581,183.78

Finding the Fourth Proportional to 751,546.22, 1,126,137.54 and 581,183.78

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Solution

The fourth proportional to 751,546.22, 1,126,137.54 and 581,183.78 is: 870,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,546.22 : 1,126,137.54 = 581,183.78 : x
  2. Step 2: Convert to fraction form
    751,546.22/1,126,137.54 = 581,183.78/x
  3. Step 3: Cross multiply
    751,546.22x = 1,126,137.54 × 581,183.78
  4. Step 4: Simplify right side
    751,546.22x = 654,492,872,297.10
  5. Step 5: Solve for x
    x = 654,492,872,297.10/751,546.22
  6. Step 6: Final answer
    x = 870,861.77

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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.