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Finding the Fourth Proportional to 1,254,771.92, 1,731,581.48 and 681,813.84

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Solution

The fourth proportional to 1,254,771.92, 1,731,581.48 and 681,813.84 is: 940,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,771.92 : 1,731,581.48 = 681,813.84 : x
  2. Step 2: Convert to fraction form
    1,254,771.92/1,731,581.48 = 681,813.84/x
  3. Step 3: Cross multiply
    1,254,771.92x = 1,731,581.48 × 681,813.84
  4. Step 4: Simplify right side
    1,254,771.92x = 1,180,616,218,151.68
  5. Step 5: Solve for x
    x = 1,180,616,218,151.68/1,254,771.92
  6. Step 6: Final answer
    x = 940,901.05

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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.