Home / 831,191.73-1,246,787.60-641,928.15

Finding the Fourth Proportional to 831,191.73, 1,246,787.60 and 641,928.15

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Solution

The fourth proportional to 831,191.73, 1,246,787.60 and 641,928.15 is: 962,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,191.73 : 1,246,787.60 = 641,928.15 : x
  2. Step 2: Convert to fraction form
    831,191.73/1,246,787.60 = 641,928.15/x
  3. Step 3: Cross multiply
    831,191.73x = 1,246,787.60 × 641,928.15
  4. Step 4: Simplify right side
    831,191.73x = 800,348,054,301.30
  5. Step 5: Solve for x
    x = 800,348,054,301.30/831,191.73
  6. Step 6: Final answer
    x = 962,892.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.