Home / 874,358.52-1,311,584.58-275,366.33

Finding the Fourth Proportional to 874,358.52, 1,311,584.58 and 275,366.33

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Solution

The fourth proportional to 874,358.52, 1,311,584.58 and 275,366.33 is: 413,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,358.52 : 1,311,584.58 = 275,366.33 : x
  2. Step 2: Convert to fraction form
    874,358.52/1,311,584.58 = 275,366.33/x
  3. Step 3: Cross multiply
    874,358.52x = 1,311,584.58 × 275,366.33
  4. Step 4: Simplify right side
    874,358.52x = 361,166,225,721.27
  5. Step 5: Solve for x
    x = 361,166,225,721.27/874,358.52
  6. Step 6: Final answer
    x = 413,064.23

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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.