Home / 694,004.51-957,728.79-403,685.73

Finding the Fourth Proportional to 694,004.51, 957,728.79 and 403,685.73

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Solution

The fourth proportional to 694,004.51, 957,728.79 and 403,685.73 is: 557,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,004.51 : 957,728.79 = 403,685.73 : x
  2. Step 2: Convert to fraction form
    694,004.51/957,728.79 = 403,685.73/x
  3. Step 3: Cross multiply
    694,004.51x = 957,728.79 × 403,685.73
  4. Step 4: Simplify right side
    694,004.51x = 386,621,445,733.17
  5. Step 5: Solve for x
    x = 386,621,445,733.17/694,004.51
  6. Step 6: Final answer
    x = 557,087.80

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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.