Home / 1,244,719.20-1,867,176.96-613,288.80

Finding the Fourth Proportional to 1,244,719.20, 1,867,176.96 and 613,288.80

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Solution

The fourth proportional to 1,244,719.20, 1,867,176.96 and 613,288.80 is: 919,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,719.20 : 1,867,176.96 = 613,288.80 : x
  2. Step 2: Convert to fraction form
    1,244,719.20/1,867,176.96 = 613,288.80/x
  3. Step 3: Cross multiply
    1,244,719.20x = 1,867,176.96 × 613,288.80
  4. Step 4: Simplify right side
    1,244,719.20x = 1,145,118,717,186.05
  5. Step 5: Solve for x
    x = 1,145,118,717,186.05/1,244,719.20
  6. Step 6: Final answer
    x = 919,981.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.