Home / 1,015,890-1,401,930.12-563,181

Finding the Fourth Proportional to 1,015,890, 1,401,930.12 and 563,181

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Solution

The fourth proportional to 1,015,890, 1,401,930.12 and 563,181 is: 777,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,890 : 1,401,930.12 = 563,181 : x
  2. Step 2: Convert to fraction form
    1,015,890/1,401,930.12 = 563,181/x
  3. Step 3: Cross multiply
    1,015,890x = 1,401,930.12 × 563,181
  4. Step 4: Simplify right side
    1,015,890x = 789,540,406,911.72
  5. Step 5: Solve for x
    x = 789,540,406,911.72/1,015,890
  6. Step 6: Final answer
    x = 777,190.84

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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.