Home / 753,183.46-1,039,401.36-413,651.68

Finding the Fourth Proportional to 753,183.46, 1,039,401.36 and 413,651.68

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Solution

The fourth proportional to 753,183.46, 1,039,401.36 and 413,651.68 is: 570,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,183.46 : 1,039,401.36 = 413,651.68 : x
  2. Step 2: Convert to fraction form
    753,183.46/1,039,401.36 = 413,651.68/x
  3. Step 3: Cross multiply
    753,183.46x = 1,039,401.36 × 413,651.68
  4. Step 4: Simplify right side
    753,183.46x = 429,950,118,758.29
  5. Step 5: Solve for x
    x = 429,950,118,758.29/753,183.46
  6. Step 6: Final answer
    x = 570,843.81

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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.