Home / 653,048.49-979,195.61-253,222.18

Finding the Fourth Proportional to 653,048.49, 979,195.61 and 253,222.18

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Solution

The fourth proportional to 653,048.49, 979,195.61 and 253,222.18 is: 379,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,048.49 : 979,195.61 = 253,222.18 : x
  2. Step 2: Convert to fraction form
    653,048.49/979,195.61 = 253,222.18/x
  3. Step 3: Cross multiply
    653,048.49x = 979,195.61 × 253,222.18
  4. Step 4: Simplify right side
    653,048.49x = 247,954,046,977.78
  5. Step 5: Solve for x
    x = 247,954,046,977.78/653,048.49
  6. Step 6: Final answer
    x = 379,687.04

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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.