Home / 1,151,867.79-1,589,893.71-668,588.64

Finding the Fourth Proportional to 1,151,867.79, 1,589,893.71 and 668,588.64

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Solution

The fourth proportional to 1,151,867.79, 1,589,893.71 and 668,588.64 is: 922,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,867.79 : 1,589,893.71 = 668,588.64 : x
  2. Step 2: Convert to fraction form
    1,151,867.79/1,589,893.71 = 668,588.64/x
  3. Step 3: Cross multiply
    1,151,867.79x = 1,589,893.71 × 668,588.64
  4. Step 4: Simplify right side
    1,151,867.79x = 1,062,984,864,844.15
  5. Step 5: Solve for x
    x = 1,062,984,864,844.15/1,151,867.79
  6. Step 6: Final answer
    x = 922,835.83

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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.