Home / 1,397,534.46-1,928,665.89-785,879.70

Finding the Fourth Proportional to 1,397,534.46, 1,928,665.89 and 785,879.70

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Solution

The fourth proportional to 1,397,534.46, 1,928,665.89 and 785,879.70 is: 1,084,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,534.46 : 1,928,665.89 = 785,879.70 : x
  2. Step 2: Convert to fraction form
    1,397,534.46/1,928,665.89 = 785,879.70/x
  3. Step 3: Cross multiply
    1,397,534.46x = 1,928,665.89 × 785,879.70
  4. Step 4: Simplify right side
    1,397,534.46x = 1,515,699,371,033.43
  5. Step 5: Solve for x
    x = 1,515,699,371,033.43/1,397,534.46
  6. Step 6: Final answer
    x = 1,084,552.41

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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.