Home / 393,011.94-589,632.73-126,766.56

Finding the Fourth Proportional to 393,011.94, 589,632.73 and 126,766.56

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Solution

The fourth proportional to 393,011.94, 589,632.73 and 126,766.56 is: 190,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,011.94 : 589,632.73 = 126,766.56 : x
  2. Step 2: Convert to fraction form
    393,011.94/589,632.73 = 126,766.56/x
  3. Step 3: Cross multiply
    393,011.94x = 589,632.73 × 126,766.56
  4. Step 4: Simplify right side
    393,011.94x = 74,745,712,528.59
  5. Step 5: Solve for x
    x = 74,745,712,528.59/393,011.94
  6. Step 6: Final answer
    x = 190,186.87

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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.