Home / 1,110,561.75-1,665,842.85-400,589.73

Finding the Fourth Proportional to 1,110,561.75, 1,665,842.85 and 400,589.73

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Solution

The fourth proportional to 1,110,561.75, 1,665,842.85 and 400,589.73 is: 600,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,561.75 : 1,665,842.85 = 400,589.73 : x
  2. Step 2: Convert to fraction form
    1,110,561.75/1,665,842.85 = 400,589.73/x
  3. Step 3: Cross multiply
    1,110,561.75x = 1,665,842.85 × 400,589.73
  4. Step 4: Simplify right side
    1,110,561.75x = 667,319,537,503.93
  5. Step 5: Solve for x
    x = 667,319,537,503.93/1,110,561.75
  6. Step 6: Final answer
    x = 600,884.68

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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.