Home / 344,021.75-474,819.86-198,833.70

Finding the Fourth Proportional to 344,021.75, 474,819.86 and 198,833.70

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Solution

The fourth proportional to 344,021.75, 474,819.86 and 198,833.70 is: 274,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,021.75 : 474,819.86 = 198,833.70 : x
  2. Step 2: Convert to fraction form
    344,021.75/474,819.86 = 198,833.70/x
  3. Step 3: Cross multiply
    344,021.75x = 474,819.86 × 198,833.70
  4. Step 4: Simplify right side
    344,021.75x = 94,410,189,597.28
  5. Step 5: Solve for x
    x = 94,410,189,597.28/344,021.75
  6. Step 6: Final answer
    x = 274,430.87

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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.