Home / 1,217,704.80-1,826,672.40-331,240.80

Finding the Fourth Proportional to 1,217,704.80, 1,826,672.40 and 331,240.80

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Solution

The fourth proportional to 1,217,704.80, 1,826,672.40 and 331,240.80 is: 496,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,704.80 : 1,826,672.40 = 331,240.80 : x
  2. Step 2: Convert to fraction form
    1,217,704.80/1,826,672.40 = 331,240.80/x
  3. Step 3: Cross multiply
    1,217,704.80x = 1,826,672.40 × 331,240.80
  4. Step 4: Simplify right side
    1,217,704.80x = 605,068,427,113.92
  5. Step 5: Solve for x
    x = 605,068,427,113.92/1,217,704.80
  6. Step 6: Final answer
    x = 496,892.54

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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.