Home / 809,518.38-1,116,096.94-663,787.23

Finding the Fourth Proportional to 809,518.38, 1,116,096.94 and 663,787.23

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Solution

The fourth proportional to 809,518.38, 1,116,096.94 and 663,787.23 is: 915,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,518.38 : 1,116,096.94 = 663,787.23 : x
  2. Step 2: Convert to fraction form
    809,518.38/1,116,096.94 = 663,787.23/x
  3. Step 3: Cross multiply
    809,518.38x = 1,116,096.94 × 663,787.23
  4. Step 4: Simplify right side
    809,518.38x = 740,850,896,214.08
  5. Step 5: Solve for x
    x = 740,850,896,214.08/809,518.38
  6. Step 6: Final answer
    x = 915,174.89

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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.