Home / 865,103.58-1,185,172.19-832,758.80

Finding the Fourth Proportional to 865,103.58, 1,185,172.19 and 832,758.80

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Solution

The fourth proportional to 865,103.58, 1,185,172.19 and 832,758.80 is: 1,140,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,103.58 : 1,185,172.19 = 832,758.80 : x
  2. Step 2: Convert to fraction form
    865,103.58/1,185,172.19 = 832,758.80/x
  3. Step 3: Cross multiply
    865,103.58x = 1,185,172.19 × 832,758.80
  4. Step 4: Simplify right side
    865,103.58x = 986,962,560,648.12
  5. Step 5: Solve for x
    x = 986,962,560,648.12/865,103.58
  6. Step 6: Final answer
    x = 1,140,860.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.