Home / 676,629.18-1,015,031.34-203,362.38

Finding the Fourth Proportional to 676,629.18, 1,015,031.34 and 203,362.38

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Solution

The fourth proportional to 676,629.18, 1,015,031.34 and 203,362.38 is: 305,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,629.18 : 1,015,031.34 = 203,362.38 : x
  2. Step 2: Convert to fraction form
    676,629.18/1,015,031.34 = 203,362.38/x
  3. Step 3: Cross multiply
    676,629.18x = 1,015,031.34 × 203,362.38
  4. Step 4: Simplify right side
    676,629.18x = 206,419,189,076.99
  5. Step 5: Solve for x
    x = 206,419,189,076.99/676,629.18
  6. Step 6: Final answer
    x = 305,069.89

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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.