Home / 1,107,252.40-1,660,878.60-1,086,257.20

Finding the Fourth Proportional to 1,107,252.40, 1,660,878.60 and 1,086,257.20

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Solution

The fourth proportional to 1,107,252.40, 1,660,878.60 and 1,086,257.20 is: 1,629,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,252.40 : 1,660,878.60 = 1,086,257.20 : x
  2. Step 2: Convert to fraction form
    1,107,252.40/1,660,878.60 = 1,086,257.20/x
  3. Step 3: Cross multiply
    1,107,252.40x = 1,660,878.60 × 1,086,257.20
  4. Step 4: Simplify right side
    1,107,252.40x = 1,804,141,337,575.92
  5. Step 5: Solve for x
    x = 1,804,141,337,575.92/1,107,252.40
  6. Step 6: Final answer
    x = 1,629,385.80

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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.