Home / 619,039.38-928,766.79-239,972.47

Finding the Fourth Proportional to 619,039.38, 928,766.79 and 239,972.47

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Solution

The fourth proportional to 619,039.38, 928,766.79 and 239,972.47 is: 360,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,039.38 : 928,766.79 = 239,972.47 : x
  2. Step 2: Convert to fraction form
    619,039.38/928,766.79 = 239,972.47/x
  3. Step 3: Cross multiply
    619,039.38x = 928,766.79 × 239,972.47
  4. Step 4: Simplify right side
    619,039.38x = 222,878,463,552.67
  5. Step 5: Solve for x
    x = 222,878,463,552.67/619,039.38
  6. Step 6: Final answer
    x = 360,039.23

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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.