Home / 1,728,301.20-2,590,378.20-886,419.60

Finding the Fourth Proportional to 1,728,301.20, 2,590,378.20 and 886,419.60

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Solution

The fourth proportional to 1,728,301.20, 2,590,378.20 and 886,419.60 is: 1,328,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,301.20 : 2,590,378.20 = 886,419.60 : x
  2. Step 2: Convert to fraction form
    1,728,301.20/2,590,378.20 = 886,419.60/x
  3. Step 3: Cross multiply
    1,728,301.20x = 2,590,378.20 × 886,419.60
  4. Step 4: Simplify right side
    1,728,301.20x = 2,296,162,007,892.72
  5. Step 5: Solve for x
    x = 2,296,162,007,892.72/1,728,301.20
  6. Step 6: Final answer
    x = 1,328,565.88

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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.