Home / 463,110.30-694,665.45-387,002.70

Finding the Fourth Proportional to 463,110.30, 694,665.45 and 387,002.70

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Solution

The fourth proportional to 463,110.30, 694,665.45 and 387,002.70 is: 580,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,110.30 : 694,665.45 = 387,002.70 : x
  2. Step 2: Convert to fraction form
    463,110.30/694,665.45 = 387,002.70/x
  3. Step 3: Cross multiply
    463,110.30x = 694,665.45 × 387,002.70
  4. Step 4: Simplify right side
    463,110.30x = 268,837,404,746.72
  5. Step 5: Solve for x
    x = 268,837,404,746.72/463,110.30
  6. Step 6: Final answer
    x = 580,504.05

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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.