Home / 463,705.36-639,881.04-259,721.44

Finding the Fourth Proportional to 463,705.36, 639,881.04 and 259,721.44

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Solution

The fourth proportional to 463,705.36, 639,881.04 and 259,721.44 is: 358,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,705.36 : 639,881.04 = 259,721.44 : x
  2. Step 2: Convert to fraction form
    463,705.36/639,881.04 = 259,721.44/x
  3. Step 3: Cross multiply
    463,705.36x = 639,881.04 × 259,721.44
  4. Step 4: Simplify right side
    463,705.36x = 166,190,825,137.50
  5. Step 5: Solve for x
    x = 166,190,825,137.50/463,705.36
  6. Step 6: Final answer
    x = 358,397.46

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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.