Home / 644,677.32-966,787.16-189,141.44

Finding the Fourth Proportional to 644,677.32, 966,787.16 and 189,141.44

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Solution

The fourth proportional to 644,677.32, 966,787.16 and 189,141.44 is: 283,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,677.32 : 966,787.16 = 189,141.44 : x
  2. Step 2: Convert to fraction form
    644,677.32/966,787.16 = 189,141.44/x
  3. Step 3: Cross multiply
    644,677.32x = 966,787.16 × 189,141.44
  4. Step 4: Simplify right side
    644,677.32x = 182,859,515,615.91
  5. Step 5: Solve for x
    x = 182,859,515,615.91/644,677.32
  6. Step 6: Final answer
    x = 283,645.03

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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.