Home / 526,546.20-789,819.30-313,969.80

Finding the Fourth Proportional to 526,546.20, 789,819.30 and 313,969.80

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Solution

The fourth proportional to 526,546.20, 789,819.30 and 313,969.80 is: 470,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,546.20 : 789,819.30 = 313,969.80 : x
  2. Step 2: Convert to fraction form
    526,546.20/789,819.30 = 313,969.80/x
  3. Step 3: Cross multiply
    526,546.20x = 789,819.30 × 313,969.80
  4. Step 4: Simplify right side
    526,546.20x = 247,979,407,657.14
  5. Step 5: Solve for x
    x = 247,979,407,657.14/526,546.20
  6. Step 6: Final answer
    x = 470,954.70

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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.