Home / 1,776,006.80-2,664,010.20-653,843.60

Finding the Fourth Proportional to 1,776,006.80, 2,664,010.20 and 653,843.60

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Solution

The fourth proportional to 1,776,006.80, 2,664,010.20 and 653,843.60 is: 980,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,006.80 : 2,664,010.20 = 653,843.60 : x
  2. Step 2: Convert to fraction form
    1,776,006.80/2,664,010.20 = 653,843.60/x
  3. Step 3: Cross multiply
    1,776,006.80x = 2,664,010.20 × 653,843.60
  4. Step 4: Simplify right side
    1,776,006.80x = 1,741,846,019,604.72
  5. Step 5: Solve for x
    x = 1,741,846,019,604.72/1,776,006.80
  6. Step 6: Final answer
    x = 980,765.40

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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.