Home / 445,930.75-615,381.31-241,976.48

Finding the Fourth Proportional to 445,930.75, 615,381.31 and 241,976.48

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Solution

The fourth proportional to 445,930.75, 615,381.31 and 241,976.48 is: 333,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,930.75 : 615,381.31 = 241,976.48 : x
  2. Step 2: Convert to fraction form
    445,930.75/615,381.31 = 241,976.48/x
  3. Step 3: Cross multiply
    445,930.75x = 615,381.31 × 241,976.48
  4. Step 4: Simplify right side
    445,930.75x = 148,907,803,251.59
  5. Step 5: Solve for x
    x = 148,907,803,251.59/445,930.75
  6. Step 6: Final answer
    x = 333,925.85

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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.