Home / 682,480.56-1,024,349.16-345,755.46

Finding the Fourth Proportional to 682,480.56, 1,024,349.16 and 345,755.46

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Solution

The fourth proportional to 682,480.56, 1,024,349.16 and 345,755.46 is: 518,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,480.56 : 1,024,349.16 = 345,755.46 : x
  2. Step 2: Convert to fraction form
    682,480.56/1,024,349.16 = 345,755.46/x
  3. Step 3: Cross multiply
    682,480.56x = 1,024,349.16 × 345,755.46
  4. Step 4: Simplify right side
    682,480.56x = 354,174,315,016.41
  5. Step 5: Solve for x
    x = 354,174,315,016.41/682,480.56
  6. Step 6: Final answer
    x = 518,951.51

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1.5x scale

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.