Home / 857,694.98-1,183,760.80-475,844.78

Finding the Fourth Proportional to 857,694.98, 1,183,760.80 and 475,844.78

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Solution

The fourth proportional to 857,694.98, 1,183,760.80 and 475,844.78 is: 656,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,694.98 : 1,183,760.80 = 475,844.78 : x
  2. Step 2: Convert to fraction form
    857,694.98/1,183,760.80 = 475,844.78/x
  3. Step 3: Cross multiply
    857,694.98x = 1,183,760.80 × 475,844.78
  4. Step 4: Simplify right side
    857,694.98x = 563,286,397,448.62
  5. Step 5: Solve for x
    x = 563,286,397,448.62/857,694.98
  6. Step 6: Final answer
    x = 656,744.43

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1.5x scale

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.