Home / 1,254,777.56-1,731,589.62-681,819.74

Finding the Fourth Proportional to 1,254,777.56, 1,731,589.62 and 681,819.74

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Solution

The fourth proportional to 1,254,777.56, 1,731,589.62 and 681,819.74 is: 940,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,777.56 : 1,731,589.62 = 681,819.74 : x
  2. Step 2: Convert to fraction form
    1,254,777.56/1,731,589.62 = 681,819.74/x
  3. Step 3: Cross multiply
    1,254,777.56x = 1,731,589.62 × 681,819.74
  4. Step 4: Simplify right side
    1,254,777.56x = 1,180,631,984,495.10
  5. Step 5: Solve for x
    x = 1,180,631,984,495.10/1,254,777.56
  6. Step 6: Final answer
    x = 940,909.39

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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.