Home / 394,037.25-591,142.34-127,824.67

Finding the Fourth Proportional to 394,037.25, 591,142.34 and 127,824.67

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Solution

The fourth proportional to 394,037.25, 591,142.34 and 127,824.67 is: 191,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,037.25 : 591,142.34 = 127,824.67 : x
  2. Step 2: Convert to fraction form
    394,037.25/591,142.34 = 127,824.67/x
  3. Step 3: Cross multiply
    394,037.25x = 591,142.34 × 127,824.67
  4. Step 4: Simplify right side
    394,037.25x = 75,562,574,533.53
  5. Step 5: Solve for x
    x = 75,562,574,533.53/394,037.25
  6. Step 6: Final answer
    x = 191,765.05

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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.