Home / 754,164.92-1,040,721-414,630.56

Finding the Fourth Proportional to 754,164.92, 1,040,721 and 414,630.56

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Solution

The fourth proportional to 754,164.92, 1,040,721 and 414,630.56 is: 572,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,164.92 : 1,040,721 = 414,630.56 : x
  2. Step 2: Convert to fraction form
    754,164.92/1,040,721 = 414,630.56/x
  3. Step 3: Cross multiply
    754,164.92x = 1,040,721 × 414,630.56
  4. Step 4: Simplify right side
    754,164.92x = 431,514,731,033.76
  5. Step 5: Solve for x
    x = 431,514,731,033.76/754,164.92
  6. Step 6: Final answer
    x = 572,175.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.