Home / 392,328.56-588,498.31-111,845.81

Finding the Fourth Proportional to 392,328.56, 588,498.31 and 111,845.81

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Solution

The fourth proportional to 392,328.56, 588,498.31 and 111,845.81 is: 167,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,328.56 : 588,498.31 = 111,845.81 : x
  2. Step 2: Convert to fraction form
    392,328.56/588,498.31 = 111,845.81/x
  3. Step 3: Cross multiply
    392,328.56x = 588,498.31 × 111,845.81
  4. Step 4: Simplify right side
    392,328.56x = 65,821,071,776.63
  5. Step 5: Solve for x
    x = 65,821,071,776.63/392,328.56
  6. Step 6: Final answer
    x = 167,770.28

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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.