Home / 1,397,517.42-1,928,529.03-785,695.89

Finding the Fourth Proportional to 1,397,517.42, 1,928,529.03 and 785,695.89

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Solution

The fourth proportional to 1,397,517.42, 1,928,529.03 and 785,695.89 is: 1,084,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,517.42 : 1,928,529.03 = 785,695.89 : x
  2. Step 2: Convert to fraction form
    1,397,517.42/1,928,529.03 = 785,695.89/x
  3. Step 3: Cross multiply
    1,397,517.42x = 1,928,529.03 × 785,695.89
  4. Step 4: Simplify right side
    1,397,517.42x = 1,515,237,332,616.69
  5. Step 5: Solve for x
    x = 1,515,237,332,616.69/1,397,517.42
  6. Step 6: Final answer
    x = 1,084,235.02

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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.