Home / 2,079,504.80-3,119,257.20-1,013,998.40

Finding the Fourth Proportional to 2,079,504.80, 3,119,257.20 and 1,013,998.40

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Solution

The fourth proportional to 2,079,504.80, 3,119,257.20 and 1,013,998.40 is: 1,520,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,504.80 : 3,119,257.20 = 1,013,998.40 : x
  2. Step 2: Convert to fraction form
    2,079,504.80/3,119,257.20 = 1,013,998.40/x
  3. Step 3: Cross multiply
    2,079,504.80x = 3,119,257.20 × 1,013,998.40
  4. Step 4: Simplify right side
    2,079,504.80x = 3,162,921,809,988.48
  5. Step 5: Solve for x
    x = 3,162,921,809,988.48/2,079,504.80
  6. Step 6: Final answer
    x = 1,520,997.60

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Similar ratio
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1.5x scale

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.