Home / 444,821.92-613,831.44-243,613.60

Finding the Fourth Proportional to 444,821.92, 613,831.44 and 243,613.60

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Solution

The fourth proportional to 444,821.92, 613,831.44 and 243,613.60 is: 336,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,821.92 : 613,831.44 = 243,613.60 : x
  2. Step 2: Convert to fraction form
    444,821.92/613,831.44 = 243,613.60/x
  3. Step 3: Cross multiply
    444,821.92x = 613,831.44 × 243,613.60
  4. Step 4: Simplify right side
    444,821.92x = 149,537,686,891.58
  5. Step 5: Solve for x
    x = 149,537,686,891.58/444,821.92
  6. Step 6: Final answer
    x = 336,174.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.