Home / 393,724.43-590,680.72-127,485.24

Finding the Fourth Proportional to 393,724.43, 590,680.72 and 127,485.24

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Solution

The fourth proportional to 393,724.43, 590,680.72 and 127,485.24 is: 191,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,724.43 : 590,680.72 = 127,485.24 : x
  2. Step 2: Convert to fraction form
    393,724.43/590,680.72 = 127,485.24/x
  3. Step 3: Cross multiply
    393,724.43x = 590,680.72 × 127,485.24
  4. Step 4: Simplify right side
    393,724.43x = 75,303,073,352.57
  5. Step 5: Solve for x
    x = 75,303,073,352.57/393,724.43
  6. Step 6: Final answer
    x = 191,258.32

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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.