Home / 1,245,882.01-1,719,697.19-722,724.83

Finding the Fourth Proportional to 1,245,882.01, 1,719,697.19 and 722,724.83

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Solution

The fourth proportional to 1,245,882.01, 1,719,697.19 and 722,724.83 is: 997,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,882.01 : 1,719,697.19 = 722,724.83 : x
  2. Step 2: Convert to fraction form
    1,245,882.01/1,719,697.19 = 722,724.83/x
  3. Step 3: Cross multiply
    1,245,882.01x = 1,719,697.19 × 722,724.83
  4. Step 4: Simplify right side
    1,245,882.01x = 1,242,867,859,979.85
  5. Step 5: Solve for x
    x = 1,242,867,859,979.85/1,245,882.01
  6. Step 6: Final answer
    x = 997,580.71

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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.