Home / 464,635.08-641,392.14-313,936.20

Finding the Fourth Proportional to 464,635.08, 641,392.14 and 313,936.20

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Solution

The fourth proportional to 464,635.08, 641,392.14 and 313,936.20 is: 433,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,635.08 : 641,392.14 = 313,936.20 : x
  2. Step 2: Convert to fraction form
    464,635.08/641,392.14 = 313,936.20/x
  3. Step 3: Cross multiply
    464,635.08x = 641,392.14 × 313,936.20
  4. Step 4: Simplify right side
    464,635.08x = 201,356,211,141.47
  5. Step 5: Solve for x
    x = 201,356,211,141.47/464,635.08
  6. Step 6: Final answer
    x = 433,364.20

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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.