Home / 1,217,711.80-1,826,682.90-331,247.80

Finding the Fourth Proportional to 1,217,711.80, 1,826,682.90 and 331,247.80

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Solution

The fourth proportional to 1,217,711.80, 1,826,682.90 and 331,247.80 is: 496,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,711.80 : 1,826,682.90 = 331,247.80 : x
  2. Step 2: Convert to fraction form
    1,217,711.80/1,826,682.90 = 331,247.80/x
  3. Step 3: Cross multiply
    1,217,711.80x = 1,826,682.90 × 331,247.80
  4. Step 4: Simplify right side
    1,217,711.80x = 605,084,691,922.62
  5. Step 5: Solve for x
    x = 605,084,691,922.62/1,217,711.80
  6. Step 6: Final answer
    x = 496,903.04

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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.