Home / 857,693.98-1,183,759.41-475,843.78

Finding the Fourth Proportional to 857,693.98, 1,183,759.41 and 475,843.78

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Solution

The fourth proportional to 857,693.98, 1,183,759.41 and 475,843.78 is: 656,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,693.98 : 1,183,759.41 = 475,843.78 : x
  2. Step 2: Convert to fraction form
    857,693.98/1,183,759.41 = 475,843.78/x
  3. Step 3: Cross multiply
    857,693.98x = 1,183,759.41 × 475,843.78
  4. Step 4: Simplify right side
    857,693.98x = 563,284,552,264.97
  5. Step 5: Solve for x
    x = 563,284,552,264.97/857,693.98
  6. Step 6: Final answer
    x = 656,743.04

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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.