Home / 886,585.55-1,329,270.89-317,954.48

Finding the Fourth Proportional to 886,585.55, 1,329,270.89 and 317,954.48

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Solution

The fourth proportional to 886,585.55, 1,329,270.89 and 317,954.48 is: 476,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,585.55 : 1,329,270.89 = 317,954.48 : x
  2. Step 2: Convert to fraction form
    886,585.55/1,329,270.89 = 317,954.48/x
  3. Step 3: Cross multiply
    886,585.55x = 1,329,270.89 × 317,954.48
  4. Step 4: Simplify right side
    886,585.55x = 422,647,626,372.96
  5. Step 5: Solve for x
    x = 422,647,626,372.96/886,585.55
  6. Step 6: Final answer
    x = 476,713.87

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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.