Home / 578,561.39-867,310.38-199,392.06

Finding the Fourth Proportional to 578,561.39, 867,310.38 and 199,392.06

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Solution

The fourth proportional to 578,561.39, 867,310.38 and 199,392.06 is: 298,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,561.39 : 867,310.38 = 199,392.06 : x
  2. Step 2: Convert to fraction form
    578,561.39/867,310.38 = 199,392.06/x
  3. Step 3: Cross multiply
    578,561.39x = 867,310.38 × 199,392.06
  4. Step 4: Simplify right side
    578,561.39x = 172,934,803,327.58
  5. Step 5: Solve for x
    x = 172,934,803,327.58/578,561.39
  6. Step 6: Final answer
    x = 298,904.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.