Home / 1,399,157.50-2,098,615.38-851,907.82

Finding the Fourth Proportional to 1,399,157.50, 2,098,615.38 and 851,907.82

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Solution

The fourth proportional to 1,399,157.50, 2,098,615.38 and 851,907.82 is: 1,277,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,157.50 : 2,098,615.38 = 851,907.82 : x
  2. Step 2: Convert to fraction form
    1,399,157.50/2,098,615.38 = 851,907.82/x
  3. Step 3: Cross multiply
    1,399,157.50x = 2,098,615.38 × 851,907.82
  4. Step 4: Simplify right side
    1,399,157.50x = 1,787,826,853,394.27
  5. Step 5: Solve for x
    x = 1,787,826,853,394.27/1,399,157.50
  6. Step 6: Final answer
    x = 1,277,788.14

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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.