Home / 1,151,885.12-1,589,917.64-668,605.97

Finding the Fourth Proportional to 1,151,885.12, 1,589,917.64 and 668,605.97

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Solution

The fourth proportional to 1,151,885.12, 1,589,917.64 and 668,605.97 is: 922,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,885.12 : 1,589,917.64 = 668,605.97 : x
  2. Step 2: Convert to fraction form
    1,151,885.12/1,589,917.64 = 668,605.97/x
  3. Step 3: Cross multiply
    1,151,885.12x = 1,589,917.64 × 668,605.97
  4. Step 4: Simplify right side
    1,151,885.12x = 1,063,028,425,912.31
  5. Step 5: Solve for x
    x = 1,063,028,425,912.31/1,151,885.12
  6. Step 6: Final answer
    x = 922,859.76

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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.