Home / 1,198,264.78-1,652,846.07-911,155.42

Finding the Fourth Proportional to 1,198,264.78, 1,652,846.07 and 911,155.42

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Solution

The fourth proportional to 1,198,264.78, 1,652,846.07 and 911,155.42 is: 1,256,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,264.78 : 1,652,846.07 = 911,155.42 : x
  2. Step 2: Convert to fraction form
    1,198,264.78/1,652,846.07 = 911,155.42/x
  3. Step 3: Cross multiply
    1,198,264.78x = 1,652,846.07 × 911,155.42
  4. Step 4: Simplify right side
    1,198,264.78x = 1,505,999,655,106.20
  5. Step 5: Solve for x
    x = 1,505,999,655,106.20/1,198,264.78
  6. Step 6: Final answer
    x = 1,256,817.09

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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.