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Finding the Fourth Proportional to 1,254,844.82, 1,731,684.53 and 681,883.62

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Solution

The fourth proportional to 1,254,844.82, 1,731,684.53 and 681,883.62 is: 940,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,844.82 : 1,731,684.53 = 681,883.62 : x
  2. Step 2: Convert to fraction form
    1,254,844.82/1,731,684.53 = 681,883.62/x
  3. Step 3: Cross multiply
    1,254,844.82x = 1,731,684.53 × 681,883.62
  4. Step 4: Simplify right side
    1,254,844.82x = 1,180,807,316,014.40
  5. Step 5: Solve for x
    x = 1,180,807,316,014.40/1,254,844.82
  6. Step 6: Final answer
    x = 940,998.68

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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.