Home / 889,099-1,226,946.72-481,191.64

Finding the Fourth Proportional to 889,099, 1,226,946.72 and 481,191.64

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Solution

The fourth proportional to 889,099, 1,226,946.72 and 481,191.64 is: 664,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,099 : 1,226,946.72 = 481,191.64 : x
  2. Step 2: Convert to fraction form
    889,099/1,226,946.72 = 481,191.64/x
  3. Step 3: Cross multiply
    889,099x = 1,226,946.72 × 481,191.64
  4. Step 4: Simplify right side
    889,099x = 590,396,504,389.42
  5. Step 5: Solve for x
    x = 590,396,504,389.42/889,099
  6. Step 6: Final answer
    x = 664,039.11

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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.