Home / 463,857.21-640,513.04-348,936.66

Finding the Fourth Proportional to 463,857.21, 640,513.04 and 348,936.66

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Solution

The fourth proportional to 463,857.21, 640,513.04 and 348,936.66 is: 481,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,857.21 : 640,513.04 = 348,936.66 : x
  2. Step 2: Convert to fraction form
    463,857.21/640,513.04 = 348,936.66/x
  3. Step 3: Cross multiply
    463,857.21x = 640,513.04 × 348,936.66
  4. Step 4: Simplify right side
    463,857.21x = 223,498,480,864.05
  5. Step 5: Solve for x
    x = 223,498,480,864.05/463,857.21
  6. Step 6: Final answer
    x = 481,826.04

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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.