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Finding the Fourth Proportional to 1,254,843.07, 1,731,682.11 and 681,881.87

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Solution

The fourth proportional to 1,254,843.07, 1,731,682.11 and 681,881.87 is: 940,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,843.07 : 1,731,682.11 = 681,881.87 : x
  2. Step 2: Convert to fraction form
    1,254,843.07/1,731,682.11 = 681,881.87/x
  3. Step 3: Cross multiply
    1,254,843.07x = 1,731,682.11 × 681,881.87
  4. Step 4: Simplify right side
    1,254,843.07x = 1,180,802,635,412.35
  5. Step 5: Solve for x
    x = 1,180,802,635,412.35/1,254,843.07
  6. Step 6: Final answer
    x = 940,996.26

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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.