Home / 1,254,777.92-1,731,589.76-681,819.84

Finding the Fourth Proportional to 1,254,777.92, 1,731,589.76 and 681,819.84

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Solution

The fourth proportional to 1,254,777.92, 1,731,589.76 and 681,819.84 is: 940,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,777.92 : 1,731,589.76 = 681,819.84 : x
  2. Step 2: Convert to fraction form
    1,254,777.92/1,731,589.76 = 681,819.84/x
  3. Step 3: Cross multiply
    1,254,777.92x = 1,731,589.76 × 681,819.84
  4. Step 4: Simplify right side
    1,254,777.92x = 1,180,632,253,108.84
  5. Step 5: Solve for x
    x = 1,180,632,253,108.84/1,254,777.92
  6. Step 6: Final answer
    x = 940,909.33

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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.