Home / 1,117,719.75-1,542,654.56-658,807.53

Finding the Fourth Proportional to 1,117,719.75, 1,542,654.56 and 658,807.53

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Solution

The fourth proportional to 1,117,719.75, 1,542,654.56 and 658,807.53 is: 909,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,719.75 : 1,542,654.56 = 658,807.53 : x
  2. Step 2: Convert to fraction form
    1,117,719.75/1,542,654.56 = 658,807.53/x
  3. Step 3: Cross multiply
    1,117,719.75x = 1,542,654.56 × 658,807.53
  4. Step 4: Simplify right side
    1,117,719.75x = 1,016,312,437,022.80
  5. Step 5: Solve for x
    x = 1,016,312,437,022.80/1,117,719.75
  6. Step 6: Final answer
    x = 909,273.04

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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.