Home / 591,617.60-887,512.80-192,190.40

Finding the Fourth Proportional to 591,617.60, 887,512.80 and 192,190.40

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Solution

The fourth proportional to 591,617.60, 887,512.80 and 192,190.40 is: 288,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,617.60 : 887,512.80 = 192,190.40 : x
  2. Step 2: Convert to fraction form
    591,617.60/887,512.80 = 192,190.40/x
  3. Step 3: Cross multiply
    591,617.60x = 887,512.80 × 192,190.40
  4. Step 4: Simplify right side
    591,617.60x = 170,571,440,037.12
  5. Step 5: Solve for x
    x = 170,571,440,037.12/591,617.60
  6. Step 6: Final answer
    x = 288,313.67

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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.