Home / 839,338.20-1,259,203.73-333,927.77

Finding the Fourth Proportional to 839,338.20, 1,259,203.73 and 333,927.77

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Solution

The fourth proportional to 839,338.20, 1,259,203.73 and 333,927.77 is: 500,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,338.20 : 1,259,203.73 = 333,927.77 : x
  2. Step 2: Convert to fraction form
    839,338.20/1,259,203.73 = 333,927.77/x
  3. Step 3: Cross multiply
    839,338.20x = 1,259,203.73 × 333,927.77
  4. Step 4: Simplify right side
    839,338.20x = 420,483,085,568.93
  5. Step 5: Solve for x
    x = 420,483,085,568.93/839,338.20
  6. Step 6: Final answer
    x = 500,969.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.