Home / 1,342,620.30-2,015,032.05-1,332,122.70

Finding the Fourth Proportional to 1,342,620.30, 2,015,032.05 and 1,332,122.70

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Solution

The fourth proportional to 1,342,620.30, 2,015,032.05 and 1,332,122.70 is: 1,999,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,620.30 : 2,015,032.05 = 1,332,122.70 : x
  2. Step 2: Convert to fraction form
    1,342,620.30/2,015,032.05 = 1,332,122.70/x
  3. Step 3: Cross multiply
    1,342,620.30x = 2,015,032.05 × 1,332,122.70
  4. Step 4: Simplify right side
    1,342,620.30x = 2,684,269,935,032.54
  5. Step 5: Solve for x
    x = 2,684,269,935,032.54/1,342,620.30
  6. Step 6: Final answer
    x = 1,999,277.04

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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.