Home / 1,117,719.47-1,542,654.17-658,807.25

Finding the Fourth Proportional to 1,117,719.47, 1,542,654.17 and 658,807.25

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Solution

The fourth proportional to 1,117,719.47, 1,542,654.17 and 658,807.25 is: 909,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,719.47 : 1,542,654.17 = 658,807.25 : x
  2. Step 2: Convert to fraction form
    1,117,719.47/1,542,654.17 = 658,807.25/x
  3. Step 3: Cross multiply
    1,117,719.47x = 1,542,654.17 × 658,807.25
  4. Step 4: Simplify right side
    1,117,719.47x = 1,016,311,752,001.33
  5. Step 5: Solve for x
    x = 1,016,311,752,001.33/1,117,719.47
  6. Step 6: Final answer
    x = 909,272.66

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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.