Home / 519,680.13-717,160.73-281,216.13

Finding the Fourth Proportional to 519,680.13, 717,160.73 and 281,216.13

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Solution

The fourth proportional to 519,680.13, 717,160.73 and 281,216.13 is: 388,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,680.13 : 717,160.73 = 281,216.13 : x
  2. Step 2: Convert to fraction form
    519,680.13/717,160.73 = 281,216.13/x
  3. Step 3: Cross multiply
    519,680.13x = 717,160.73 × 281,216.13
  4. Step 4: Simplify right side
    519,680.13x = 201,677,165,078.58
  5. Step 5: Solve for x
    x = 201,677,165,078.58/519,680.13
  6. Step 6: Final answer
    x = 388,079.42

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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.