Home / 701,987.71-1,053,112.82-281,296.39

Finding the Fourth Proportional to 701,987.71, 1,053,112.82 and 281,296.39

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Solution

The fourth proportional to 701,987.71, 1,053,112.82 and 281,296.39 is: 421,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,987.71 : 1,053,112.82 = 281,296.39 : x
  2. Step 2: Convert to fraction form
    701,987.71/1,053,112.82 = 281,296.39/x
  3. Step 3: Cross multiply
    701,987.71x = 1,053,112.82 × 281,296.39
  4. Step 4: Simplify right side
    701,987.71x = 296,236,834,528.72
  5. Step 5: Solve for x
    x = 296,236,834,528.72/701,987.71
  6. Step 6: Final answer
    x = 421,997.18

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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.