Home / 1,589,404.40-2,193,346.86-864,245.96

Finding the Fourth Proportional to 1,589,404.40, 2,193,346.86 and 864,245.96

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Solution

The fourth proportional to 1,589,404.40, 2,193,346.86 and 864,245.96 is: 1,192,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,404.40 : 2,193,346.86 = 864,245.96 : x
  2. Step 2: Convert to fraction form
    1,589,404.40/2,193,346.86 = 864,245.96/x
  3. Step 3: Cross multiply
    1,589,404.40x = 2,193,346.86 × 864,245.96
  4. Step 4: Simplify right side
    1,589,404.40x = 1,895,591,162,633.69
  5. Step 5: Solve for x
    x = 1,895,591,162,633.69/1,589,404.40
  6. Step 6: Final answer
    x = 1,192,642.45

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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.