Home / 624,481.36-861,805.16-382,717.24

Finding the Fourth Proportional to 624,481.36, 861,805.16 and 382,717.24

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Solution

The fourth proportional to 624,481.36, 861,805.16 and 382,717.24 is: 528,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,481.36 : 861,805.16 = 382,717.24 : x
  2. Step 2: Convert to fraction form
    624,481.36/861,805.16 = 382,717.24/x
  3. Step 3: Cross multiply
    624,481.36x = 861,805.16 × 382,717.24
  4. Step 4: Simplify right side
    624,481.36x = 329,827,692,252.96
  5. Step 5: Solve for x
    x = 329,827,692,252.96/624,481.36
  6. Step 6: Final answer
    x = 528,162.59

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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.