Home / 445,930.74-615,381.29-241,976.47

Finding the Fourth Proportional to 445,930.74, 615,381.29 and 241,976.47

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Solution

The fourth proportional to 445,930.74, 615,381.29 and 241,976.47 is: 333,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,930.74 : 615,381.29 = 241,976.47 : x
  2. Step 2: Convert to fraction form
    445,930.74/615,381.29 = 241,976.47/x
  3. Step 3: Cross multiply
    445,930.74x = 615,381.29 × 241,976.47
  4. Step 4: Simplify right side
    445,930.74x = 148,907,792,258.25
  5. Step 5: Solve for x
    x = 148,907,792,258.25/445,930.74
  6. Step 6: Final answer
    x = 333,925.83

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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.