Home / 386,584.35-533,513.04-216,829.41

Finding the Fourth Proportional to 386,584.35, 533,513.04 and 216,829.41

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Solution

The fourth proportional to 386,584.35, 533,513.04 and 216,829.41 is: 299,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,584.35 : 533,513.04 = 216,829.41 : x
  2. Step 2: Convert to fraction form
    386,584.35/533,513.04 = 216,829.41/x
  3. Step 3: Cross multiply
    386,584.35x = 533,513.04 × 216,829.41
  4. Step 4: Simplify right side
    386,584.35x = 115,681,314,876.72
  5. Step 5: Solve for x
    x = 115,681,314,876.72/386,584.35
  6. Step 6: Final answer
    x = 299,239.52

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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.