Home / 756,124.20-1,134,704.70-335,701.80

Finding the Fourth Proportional to 756,124.20, 1,134,704.70 and 335,701.80

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Solution

The fourth proportional to 756,124.20, 1,134,704.70 and 335,701.80 is: 503,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,124.20 : 1,134,704.70 = 335,701.80 : x
  2. Step 2: Convert to fraction form
    756,124.20/1,134,704.70 = 335,701.80/x
  3. Step 3: Cross multiply
    756,124.20x = 1,134,704.70 × 335,701.80
  4. Step 4: Simplify right side
    756,124.20x = 380,922,410,258.46
  5. Step 5: Solve for x
    x = 380,922,410,258.46/756,124.20
  6. Step 6: Final answer
    x = 503,782.86

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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.