Home / 886,772.13-1,330,688.12-325,863.33

Finding the Fourth Proportional to 886,772.13, 1,330,688.12 and 325,863.33

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Solution

The fourth proportional to 886,772.13, 1,330,688.12 and 325,863.33 is: 488,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,772.13 : 1,330,688.12 = 325,863.33 : x
  2. Step 2: Convert to fraction form
    886,772.13/1,330,688.12 = 325,863.33/x
  3. Step 3: Cross multiply
    886,772.13x = 1,330,688.12 × 325,863.33
  4. Step 4: Simplify right side
    886,772.13x = 433,622,461,974.64
  5. Step 5: Solve for x
    x = 433,622,461,974.64/886,772.13
  6. Step 6: Final answer
    x = 488,989.73

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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.