Home / 1,198,263.78-1,652,844.69-911,154.42

Finding the Fourth Proportional to 1,198,263.78, 1,652,844.69 and 911,154.42

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Solution

The fourth proportional to 1,198,263.78, 1,652,844.69 and 911,154.42 is: 1,256,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,263.78 : 1,652,844.69 = 911,154.42 : x
  2. Step 2: Convert to fraction form
    1,198,263.78/1,652,844.69 = 911,154.42/x
  3. Step 3: Cross multiply
    1,198,263.78x = 1,652,844.69 × 911,154.42
  4. Step 4: Simplify right side
    1,198,263.78x = 1,505,996,744,867.03
  5. Step 5: Solve for x
    x = 1,505,996,744,867.03/1,198,263.78
  6. Step 6: Final answer
    x = 1,256,815.71

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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.