Home / 1,669,792.78-2,302,891.61-1,283,543.11

Finding the Fourth Proportional to 1,669,792.78, 2,302,891.61 and 1,283,543.11

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Solution

The fourth proportional to 1,669,792.78, 2,302,891.61 and 1,283,543.11 is: 1,770,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,792.78 : 2,302,891.61 = 1,283,543.11 : x
  2. Step 2: Convert to fraction form
    1,669,792.78/2,302,891.61 = 1,283,543.11/x
  3. Step 3: Cross multiply
    1,669,792.78x = 2,302,891.61 × 1,283,543.11
  4. Step 4: Simplify right side
    1,669,792.78x = 2,955,860,659,092.31
  5. Step 5: Solve for x
    x = 2,955,860,659,092.31/1,669,792.78
  6. Step 6: Final answer
    x = 1,770,196.10

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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.