Home / 886,121.84-1,222,832.48-504,140.42

Finding the Fourth Proportional to 886,121.84, 1,222,832.48 and 504,140.42

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Solution

The fourth proportional to 886,121.84, 1,222,832.48 and 504,140.42 is: 695,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,121.84 : 1,222,832.48 = 504,140.42 : x
  2. Step 2: Convert to fraction form
    886,121.84/1,222,832.48 = 504,140.42/x
  3. Step 3: Cross multiply
    886,121.84x = 1,222,832.48 × 504,140.42
  4. Step 4: Simplify right side
    886,121.84x = 616,479,280,056.84
  5. Step 5: Solve for x
    x = 616,479,280,056.84/886,121.84
  6. Step 6: Final answer
    x = 695,704.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.