Home / 864,164.53-1,192,540.60-476,979.87

Finding the Fourth Proportional to 864,164.53, 1,192,540.60 and 476,979.87

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Solution

The fourth proportional to 864,164.53, 1,192,540.60 and 476,979.87 is: 658,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,164.53 : 1,192,540.60 = 476,979.87 : x
  2. Step 2: Convert to fraction form
    864,164.53/1,192,540.60 = 476,979.87/x
  3. Step 3: Cross multiply
    864,164.53x = 1,192,540.60 × 476,979.87
  4. Step 4: Simplify right side
    864,164.53x = 568,817,860,357.72
  5. Step 5: Solve for x
    x = 568,817,860,357.72/864,164.53
  6. Step 6: Final answer
    x = 658,228.66

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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.