Home / 886,185.57-1,326,129.06-648,939.81

Finding the Fourth Proportional to 886,185.57, 1,326,129.06 and 648,939.81

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Solution

The fourth proportional to 886,185.57, 1,326,129.06 and 648,939.81 is: 971,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,185.57 : 1,326,129.06 = 648,939.81 : x
  2. Step 2: Convert to fraction form
    886,185.57/1,326,129.06 = 648,939.81/x
  3. Step 3: Cross multiply
    886,185.57x = 1,326,129.06 × 648,939.81
  4. Step 4: Simplify right side
    886,185.57x = 860,577,940,231.88
  5. Step 5: Solve for x
    x = 860,577,940,231.88/886,185.57
  6. Step 6: Final answer
    x = 971,103.54

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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.