Home / 463,971.54-640,250.43-272,948.04

Finding the Fourth Proportional to 463,971.54, 640,250.43 and 272,948.04

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Solution

The fourth proportional to 463,971.54, 640,250.43 and 272,948.04 is: 376,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,971.54 : 640,250.43 = 272,948.04 : x
  2. Step 2: Convert to fraction form
    463,971.54/640,250.43 = 272,948.04/x
  3. Step 3: Cross multiply
    463,971.54x = 640,250.43 × 272,948.04
  4. Step 4: Simplify right side
    463,971.54x = 174,755,099,977.66
  5. Step 5: Solve for x
    x = 174,755,099,977.66/463,971.54
  6. Step 6: Final answer
    x = 376,650.47

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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.