Home / 766,093.82-1,057,168.73-439,389.97

Finding the Fourth Proportional to 766,093.82, 1,057,168.73 and 439,389.97

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Solution

The fourth proportional to 766,093.82, 1,057,168.73 and 439,389.97 is: 606,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,093.82 : 1,057,168.73 = 439,389.97 : x
  2. Step 2: Convert to fraction form
    766,093.82/1,057,168.73 = 439,389.97/x
  3. Step 3: Cross multiply
    766,093.82x = 1,057,168.73 × 439,389.97
  4. Step 4: Simplify right side
    766,093.82x = 464,509,335,015.19
  5. Step 5: Solve for x
    x = 464,509,335,015.19/766,093.82
  6. Step 6: Final answer
    x = 606,334.79

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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.