Home / 969,354.96-1,453,921.20-259,438.38

Finding the Fourth Proportional to 969,354.96, 1,453,921.20 and 259,438.38

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Solution

The fourth proportional to 969,354.96, 1,453,921.20 and 259,438.38 is: 389,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,354.96 : 1,453,921.20 = 259,438.38 : x
  2. Step 2: Convert to fraction form
    969,354.96/1,453,921.20 = 259,438.38/x
  3. Step 3: Cross multiply
    969,354.96x = 1,453,921.20 × 259,438.38
  4. Step 4: Simplify right side
    969,354.96x = 377,202,960,775.66
  5. Step 5: Solve for x
    x = 377,202,960,775.66/969,354.96
  6. Step 6: Final answer
    x = 389,127.80

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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.