Home / 513,042.12-769,491.09-176,077.26

Finding the Fourth Proportional to 513,042.12, 769,491.09 and 176,077.26

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Solution

The fourth proportional to 513,042.12, 769,491.09 and 176,077.26 is: 264,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,042.12 : 769,491.09 = 176,077.26 : x
  2. Step 2: Convert to fraction form
    513,042.12/769,491.09 = 176,077.26/x
  3. Step 3: Cross multiply
    513,042.12x = 769,491.09 × 176,077.26
  4. Step 4: Simplify right side
    513,042.12x = 135,489,882,721.61
  5. Step 5: Solve for x
    x = 135,489,882,721.61/513,042.12
  6. Step 6: Final answer
    x = 264,091.15

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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.