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Finding the Fourth Proportional to 1,254,659.22, 1,731,445.47 and 681,708.96

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Solution

The fourth proportional to 1,254,659.22, 1,731,445.47 and 681,708.96 is: 940,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,659.22 : 1,731,445.47 = 681,708.96 : x
  2. Step 2: Convert to fraction form
    1,254,659.22/1,731,445.47 = 681,708.96/x
  3. Step 3: Cross multiply
    1,254,659.22x = 1,731,445.47 × 681,708.96
  4. Step 4: Simplify right side
    1,254,659.22x = 1,180,341,890,650.41
  5. Step 5: Solve for x
    x = 1,180,341,890,650.41/1,254,659.22
  6. Step 6: Final answer
    x = 940,766.92

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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.