Home / 653,149.77-979,786.49-253,821.34

Finding the Fourth Proportional to 653,149.77, 979,786.49 and 253,821.34

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Solution

The fourth proportional to 653,149.77, 979,786.49 and 253,821.34 is: 380,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,149.77 : 979,786.49 = 253,821.34 : x
  2. Step 2: Convert to fraction form
    653,149.77/979,786.49 = 253,821.34/x
  3. Step 3: Cross multiply
    653,149.77x = 979,786.49 × 253,821.34
  4. Step 4: Simplify right side
    653,149.77x = 248,690,719,805.70
  5. Step 5: Solve for x
    x = 248,690,719,805.70/653,149.77
  6. Step 6: Final answer
    x = 380,756.04

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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.