Home / 733,742.80-1,100,614.20-313,838.80

Finding the Fourth Proportional to 733,742.80, 1,100,614.20 and 313,838.80

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Solution

The fourth proportional to 733,742.80, 1,100,614.20 and 313,838.80 is: 470,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,742.80 : 1,100,614.20 = 313,838.80 : x
  2. Step 2: Convert to fraction form
    733,742.80/1,100,614.20 = 313,838.80/x
  3. Step 3: Cross multiply
    733,742.80x = 1,100,614.20 × 313,838.80
  4. Step 4: Simplify right side
    733,742.80x = 345,415,439,790.96
  5. Step 5: Solve for x
    x = 345,415,439,790.96/733,742.80
  6. Step 6: Final answer
    x = 470,758.20

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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.