Home / 2,083,120.40-3,124,853.40-663,136.40

Finding the Fourth Proportional to 2,083,120.40, 3,124,853.40 and 663,136.40

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Solution

The fourth proportional to 2,083,120.40, 3,124,853.40 and 663,136.40 is: 994,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,120.40 : 3,124,853.40 = 663,136.40 : x
  2. Step 2: Convert to fraction form
    2,083,120.40/3,124,853.40 = 663,136.40/x
  3. Step 3: Cross multiply
    2,083,120.40x = 3,124,853.40 × 663,136.40
  4. Step 4: Simplify right side
    2,083,120.40x = 2,072,204,034,203.76
  5. Step 5: Solve for x
    x = 2,072,204,034,203.76/2,083,120.40
  6. Step 6: Final answer
    x = 994,759.61

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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.