Home / 1,091,398.66-1,505,930.22-607,951.78

Finding the Fourth Proportional to 1,091,398.66, 1,505,930.22 and 607,951.78

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Solution

The fourth proportional to 1,091,398.66, 1,505,930.22 and 607,951.78 is: 838,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,398.66 : 1,505,930.22 = 607,951.78 : x
  2. Step 2: Convert to fraction form
    1,091,398.66/1,505,930.22 = 607,951.78/x
  3. Step 3: Cross multiply
    1,091,398.66x = 1,505,930.22 × 607,951.78
  4. Step 4: Simplify right side
    1,091,398.66x = 915,532,957,804.79
  5. Step 5: Solve for x
    x = 915,532,957,804.79/1,091,398.66
  6. Step 6: Final answer
    x = 838,862.09

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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.