Home / 1,254,841.82-1,731,680.39-681,880.62

Finding the Fourth Proportional to 1,254,841.82, 1,731,680.39 and 681,880.62

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Solution

The fourth proportional to 1,254,841.82, 1,731,680.39 and 681,880.62 is: 940,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,841.82 : 1,731,680.39 = 681,880.62 : x
  2. Step 2: Convert to fraction form
    1,254,841.82/1,731,680.39 = 681,880.62/x
  3. Step 3: Cross multiply
    1,254,841.82x = 1,731,680.39 × 681,880.62
  4. Step 4: Simplify right side
    1,254,841.82x = 1,180,799,299,679.74
  5. Step 5: Solve for x
    x = 1,180,799,299,679.74/1,254,841.82
  6. Step 6: Final answer
    x = 940,994.54

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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.