Home / 494,884.24-742,319.88-120,910.48

Finding the Fourth Proportional to 494,884.24, 742,319.88 and 120,910.48

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Solution

The fourth proportional to 494,884.24, 742,319.88 and 120,910.48 is: 181,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,884.24 : 742,319.88 = 120,910.48 : x
  2. Step 2: Convert to fraction form
    494,884.24/742,319.88 = 120,910.48/x
  3. Step 3: Cross multiply
    494,884.24x = 742,319.88 × 120,910.48
  4. Step 4: Simplify right side
    494,884.24x = 89,754,253,004.34
  5. Step 5: Solve for x
    x = 89,754,253,004.34/494,884.24
  6. Step 6: Final answer
    x = 181,364.14

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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.