Home / 445,940.38-615,399.40-241,991.35

Finding the Fourth Proportional to 445,940.38, 615,399.40 and 241,991.35

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Solution

The fourth proportional to 445,940.38, 615,399.40 and 241,991.35 is: 333,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,940.38 : 615,399.40 = 241,991.35 : x
  2. Step 2: Convert to fraction form
    445,940.38/615,399.40 = 241,991.35/x
  3. Step 3: Cross multiply
    445,940.38x = 615,399.40 × 241,991.35
  4. Step 4: Simplify right side
    445,940.38x = 148,921,328,751.57
  5. Step 5: Solve for x
    x = 148,921,328,751.57/445,940.38
  6. Step 6: Final answer
    x = 333,948.96

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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.