Home / 1,167,616.56-1,611,310.14-631,072.56

Finding the Fourth Proportional to 1,167,616.56, 1,611,310.14 and 631,072.56

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Solution

The fourth proportional to 1,167,616.56, 1,611,310.14 and 631,072.56 is: 870,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,616.56 : 1,611,310.14 = 631,072.56 : x
  2. Step 2: Convert to fraction form
    1,167,616.56/1,611,310.14 = 631,072.56/x
  3. Step 3: Cross multiply
    1,167,616.56x = 1,611,310.14 × 631,072.56
  4. Step 4: Simplify right side
    1,167,616.56x = 1,016,853,615,003.76
  5. Step 5: Solve for x
    x = 1,016,853,615,003.76/1,167,616.56
  6. Step 6: Final answer
    x = 870,879.75

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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.