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Finding the Fourth Proportional to 1,254,755.54, 1,731,559.07 and 681,795.56

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Solution

The fourth proportional to 1,254,755.54, 1,731,559.07 and 681,795.56 is: 940,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,755.54 : 1,731,559.07 = 681,795.56 : x
  2. Step 2: Convert to fraction form
    1,254,755.54/1,731,559.07 = 681,795.56/x
  3. Step 3: Cross multiply
    1,254,755.54x = 1,731,559.07 × 681,795.56
  4. Step 4: Simplify right side
    1,254,755.54x = 1,180,569,291,837.12
  5. Step 5: Solve for x
    x = 1,180,569,291,837.12/1,254,755.54
  6. Step 6: Final answer
    x = 940,875.93

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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.