Home / 464,004.82-640,296.30-272,981.32

Finding the Fourth Proportional to 464,004.82, 640,296.30 and 272,981.32

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Solution

The fourth proportional to 464,004.82, 640,296.30 and 272,981.32 is: 376,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,004.82 : 640,296.30 = 272,981.32 : x
  2. Step 2: Convert to fraction form
    464,004.82/640,296.30 = 272,981.32/x
  3. Step 3: Cross multiply
    464,004.82x = 640,296.30 × 272,981.32
  4. Step 4: Simplify right side
    464,004.82x = 174,788,929,165.12
  5. Step 5: Solve for x
    x = 174,788,929,165.12/464,004.82
  6. Step 6: Final answer
    x = 376,696.37

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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.