Home / 513,822.72-770,542.38-176,768.04

Finding the Fourth Proportional to 513,822.72, 770,542.38 and 176,768.04

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Solution

The fourth proportional to 513,822.72, 770,542.38 and 176,768.04 is: 265,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,822.72 : 770,542.38 = 176,768.04 : x
  2. Step 2: Convert to fraction form
    513,822.72/770,542.38 = 176,768.04/x
  3. Step 3: Cross multiply
    513,822.72x = 770,542.38 × 176,768.04
  4. Step 4: Simplify right side
    513,822.72x = 136,207,266,249.54
  5. Step 5: Solve for x
    x = 136,207,266,249.54/513,822.72
  6. Step 6: Final answer
    x = 265,086.11

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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.