Home / 863,853.12-1,192,200.12-481,915.44

Finding the Fourth Proportional to 863,853.12, 1,192,200.12 and 481,915.44

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Solution

The fourth proportional to 863,853.12, 1,192,200.12 and 481,915.44 is: 665,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,853.12 : 1,192,200.12 = 481,915.44 : x
  2. Step 2: Convert to fraction form
    863,853.12/1,192,200.12 = 481,915.44/x
  3. Step 3: Cross multiply
    863,853.12x = 1,192,200.12 × 481,915.44
  4. Step 4: Simplify right side
    863,853.12x = 574,539,645,397.85
  5. Step 5: Solve for x
    x = 574,539,645,397.85/863,853.12
  6. Step 6: Final answer
    x = 665,089.51

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1.5x scale

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.