Home / 541,945.85-747,830.78-300,183.25

Finding the Fourth Proportional to 541,945.85, 747,830.78 and 300,183.25

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Solution

The fourth proportional to 541,945.85, 747,830.78 and 300,183.25 is: 414,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,945.85 : 747,830.78 = 300,183.25 : x
  2. Step 2: Convert to fraction form
    541,945.85/747,830.78 = 300,183.25/x
  3. Step 3: Cross multiply
    541,945.85x = 747,830.78 × 300,183.25
  4. Step 4: Simplify right side
    541,945.85x = 224,486,272,489.52
  5. Step 5: Solve for x
    x = 224,486,272,489.52/541,945.85
  6. Step 6: Final answer
    x = 414,222.70

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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.