Home / 2,600,517.30-3,900,788.10-917,620.80

Finding the Fourth Proportional to 2,600,517.30, 3,900,788.10 and 917,620.80

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Solution

The fourth proportional to 2,600,517.30, 3,900,788.10 and 917,620.80 is: 1,376,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,517.30 : 3,900,788.10 = 917,620.80 : x
  2. Step 2: Convert to fraction form
    2,600,517.30/3,900,788.10 = 917,620.80/x
  3. Step 3: Cross multiply
    2,600,517.30x = 3,900,788.10 × 917,620.80
  4. Step 4: Simplify right side
    2,600,517.30x = 3,579,444,296,952.48
  5. Step 5: Solve for x
    x = 3,579,444,296,952.48/2,600,517.30
  6. Step 6: Final answer
    x = 1,376,435.49

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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.