Home / 653,205.57-979,556.45-253,793.76

Finding the Fourth Proportional to 653,205.57, 979,556.45 and 253,793.76

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Solution

The fourth proportional to 653,205.57, 979,556.45 and 253,793.76 is: 380,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,205.57 : 979,556.45 = 253,793.76 : x
  2. Step 2: Convert to fraction form
    653,205.57/979,556.45 = 253,793.76/x
  3. Step 3: Cross multiply
    653,205.57x = 979,556.45 × 253,793.76
  4. Step 4: Simplify right side
    653,205.57x = 248,605,313,308.78
  5. Step 5: Solve for x
    x = 248,605,313,308.78/653,205.57
  6. Step 6: Final answer
    x = 380,592.76

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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.