Home / 1,589,177.60-2,192,568.96-909,989.12

Finding the Fourth Proportional to 1,589,177.60, 2,192,568.96 and 909,989.12

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Solution

The fourth proportional to 1,589,177.60, 2,192,568.96 and 909,989.12 is: 1,255,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,177.60 : 2,192,568.96 = 909,989.12 : x
  2. Step 2: Convert to fraction form
    1,589,177.60/2,192,568.96 = 909,989.12/x
  3. Step 3: Cross multiply
    1,589,177.60x = 2,192,568.96 × 909,989.12
  4. Step 4: Simplify right side
    1,589,177.60x = 1,995,213,898,449.72
  5. Step 5: Solve for x
    x = 1,995,213,898,449.72/1,589,177.60
  6. Step 6: Final answer
    x = 1,255,500.89

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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.