Home / 451,984.72-677,976.42-185,557.54

Finding the Fourth Proportional to 451,984.72, 677,976.42 and 185,557.54

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Solution

The fourth proportional to 451,984.72, 677,976.42 and 185,557.54 is: 278,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,984.72 : 677,976.42 = 185,557.54 : x
  2. Step 2: Convert to fraction form
    451,984.72/677,976.42 = 185,557.54/x
  3. Step 3: Cross multiply
    451,984.72x = 677,976.42 × 185,557.54
  4. Step 4: Simplify right side
    451,984.72x = 125,803,636,673.21
  5. Step 5: Solve for x
    x = 125,803,636,673.21/451,984.72
  6. Step 6: Final answer
    x = 278,336.04

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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.