Home / 653,208.20-979,560.38-253,796.38

Finding the Fourth Proportional to 653,208.20, 979,560.38 and 253,796.38

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Solution

The fourth proportional to 653,208.20, 979,560.38 and 253,796.38 is: 380,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,208.20 : 979,560.38 = 253,796.38 : x
  2. Step 2: Convert to fraction form
    653,208.20/979,560.38 = 253,796.38/x
  3. Step 3: Cross multiply
    653,208.20x = 979,560.38 × 253,796.38
  4. Step 4: Simplify right side
    653,208.20x = 248,608,878,435.42
  5. Step 5: Solve for x
    x = 248,608,878,435.42/653,208.20
  6. Step 6: Final answer
    x = 380,596.69

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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.