Home / 1,138,096.81-1,570,605.47-628,832.17

Finding the Fourth Proportional to 1,138,096.81, 1,570,605.47 and 628,832.17

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Solution

The fourth proportional to 1,138,096.81, 1,570,605.47 and 628,832.17 is: 867,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,096.81 : 1,570,605.47 = 628,832.17 : x
  2. Step 2: Convert to fraction form
    1,138,096.81/1,570,605.47 = 628,832.17/x
  3. Step 3: Cross multiply
    1,138,096.81x = 1,570,605.47 × 628,832.17
  4. Step 4: Simplify right side
    1,138,096.81x = 987,647,245,913.97
  5. Step 5: Solve for x
    x = 987,647,245,913.97/1,138,096.81
  6. Step 6: Final answer
    x = 867,806.00

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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.