Home / 1,766,147.92-2,649,616.88-644,216.88

Finding the Fourth Proportional to 1,766,147.92, 2,649,616.88 and 644,216.88

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Solution

The fourth proportional to 1,766,147.92, 2,649,616.88 and 644,216.88 is: 966,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,147.92 : 2,649,616.88 = 644,216.88 : x
  2. Step 2: Convert to fraction form
    1,766,147.92/2,649,616.88 = 644,216.88/x
  3. Step 3: Cross multiply
    1,766,147.92x = 2,649,616.88 × 644,216.88
  4. Step 4: Simplify right side
    1,766,147.92x = 1,706,927,919,628.93
  5. Step 5: Solve for x
    x = 1,706,927,919,628.93/1,766,147.92
  6. Step 6: Final answer
    x = 966,469.40

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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.