Home / 1,278,942.26-1,764,940.65-705,982.82

Finding the Fourth Proportional to 1,278,942.26, 1,764,940.65 and 705,982.82

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Solution

The fourth proportional to 1,278,942.26, 1,764,940.65 and 705,982.82 is: 974,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,942.26 : 1,764,940.65 = 705,982.82 : x
  2. Step 2: Convert to fraction form
    1,278,942.26/1,764,940.65 = 705,982.82/x
  3. Step 3: Cross multiply
    1,278,942.26x = 1,764,940.65 × 705,982.82
  4. Step 4: Simplify right side
    1,278,942.26x = 1,246,017,777,219.63
  5. Step 5: Solve for x
    x = 1,246,017,777,219.63/1,278,942.26
  6. Step 6: Final answer
    x = 974,256.47

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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.