Home / 874,131-1,311,975.24-447,957.04

Finding the Fourth Proportional to 874,131, 1,311,975.24 and 447,957.04

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Solution

The fourth proportional to 874,131, 1,311,975.24 and 447,957.04 is: 672,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,131 : 1,311,975.24 = 447,957.04 : x
  2. Step 2: Convert to fraction form
    874,131/1,311,975.24 = 447,957.04/x
  3. Step 3: Cross multiply
    874,131x = 1,311,975.24 × 447,957.04
  4. Step 4: Simplify right side
    874,131x = 587,708,545,063.69
  5. Step 5: Solve for x
    x = 587,708,545,063.69/874,131
  6. Step 6: Final answer
    x = 672,334.63

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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.