Home / 762,786.65-1,052,790.70-504,668.71

Finding the Fourth Proportional to 762,786.65, 1,052,790.70 and 504,668.71

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Solution

The fourth proportional to 762,786.65, 1,052,790.70 and 504,668.71 is: 696,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,786.65 : 1,052,790.70 = 504,668.71 : x
  2. Step 2: Convert to fraction form
    762,786.65/1,052,790.70 = 504,668.71/x
  3. Step 3: Cross multiply
    762,786.65x = 1,052,790.70 × 504,668.71
  4. Step 4: Simplify right side
    762,786.65x = 531,310,519,205.04
  5. Step 5: Solve for x
    x = 531,310,519,205.04/762,786.65
  6. Step 6: Final answer
    x = 696,538.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.