Home / 1,397,500.44-1,928,619.03-785,845.76

Finding the Fourth Proportional to 1,397,500.44, 1,928,619.03 and 785,845.76

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Solution

The fourth proportional to 1,397,500.44, 1,928,619.03 and 785,845.76 is: 1,084,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,500.44 : 1,928,619.03 = 785,845.76 : x
  2. Step 2: Convert to fraction form
    1,397,500.44/1,928,619.03 = 785,845.76/x
  3. Step 3: Cross multiply
    1,397,500.44x = 1,928,619.03 × 785,845.76
  4. Step 4: Simplify right side
    1,397,500.44x = 1,515,597,077,737.72
  5. Step 5: Solve for x
    x = 1,515,597,077,737.72/1,397,500.44
  6. Step 6: Final answer
    x = 1,084,505.62

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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.