Home / 1,397,251.46-1,928,411.24-785,454.62

Finding the Fourth Proportional to 1,397,251.46, 1,928,411.24 and 785,454.62

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Solution

The fourth proportional to 1,397,251.46, 1,928,411.24 and 785,454.62 is: 1,084,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,251.46 : 1,928,411.24 = 785,454.62 : x
  2. Step 2: Convert to fraction form
    1,397,251.46/1,928,411.24 = 785,454.62/x
  3. Step 3: Cross multiply
    1,397,251.46x = 1,928,411.24 × 785,454.62
  4. Step 4: Simplify right side
    1,397,251.46x = 1,514,679,504,148.60
  5. Step 5: Solve for x
    x = 1,514,679,504,148.60/1,397,251.46
  6. Step 6: Final answer
    x = 1,084,042.17

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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.