Home / 644,200.56-966,086.26-259,850.15

Finding the Fourth Proportional to 644,200.56, 966,086.26 and 259,850.15

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Solution

The fourth proportional to 644,200.56, 966,086.26 and 259,850.15 is: 389,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,200.56 : 966,086.26 = 259,850.15 : x
  2. Step 2: Convert to fraction form
    644,200.56/966,086.26 = 259,850.15/x
  3. Step 3: Cross multiply
    644,200.56x = 966,086.26 × 259,850.15
  4. Step 4: Simplify right side
    644,200.56x = 251,037,657,716.71
  5. Step 5: Solve for x
    x = 251,037,657,716.71/644,200.56
  6. Step 6: Final answer
    x = 389,688.67

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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.