Home / 1,230,073.68-1,843,500.34-660,789.38

Finding the Fourth Proportional to 1,230,073.68, 1,843,500.34 and 660,789.38

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Solution

The fourth proportional to 1,230,073.68, 1,843,500.34 and 660,789.38 is: 990,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,073.68 : 1,843,500.34 = 660,789.38 : x
  2. Step 2: Convert to fraction form
    1,230,073.68/1,843,500.34 = 660,789.38/x
  3. Step 3: Cross multiply
    1,230,073.68x = 1,843,500.34 × 660,789.38
  4. Step 4: Simplify right side
    1,230,073.68x = 1,218,165,446,698.39
  5. Step 5: Solve for x
    x = 1,218,165,446,698.39/1,230,073.68
  6. Step 6: Final answer
    x = 990,319.09

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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.