Home / 1,766,116.89-2,649,570.39-644,185.89

Finding the Fourth Proportional to 1,766,116.89, 2,649,570.39 and 644,185.89

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Solution

The fourth proportional to 1,766,116.89, 2,649,570.39 and 644,185.89 is: 966,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,116.89 : 2,649,570.39 = 644,185.89 : x
  2. Step 2: Convert to fraction form
    1,766,116.89/2,649,570.39 = 644,185.89/x
  3. Step 3: Cross multiply
    1,766,116.89x = 2,649,570.39 × 644,185.89
  4. Step 4: Simplify right side
    1,766,116.89x = 1,706,815,859,799.80
  5. Step 5: Solve for x
    x = 1,706,815,859,799.80/1,766,116.89
  6. Step 6: Final answer
    x = 966,422.93

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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.