Home / 839,950.16-1,259,033.96-412,883.73

Finding the Fourth Proportional to 839,950.16, 1,259,033.96 and 412,883.73

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Solution

The fourth proportional to 839,950.16, 1,259,033.96 and 412,883.73 is: 618,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,950.16 : 1,259,033.96 = 412,883.73 : x
  2. Step 2: Convert to fraction form
    839,950.16/1,259,033.96 = 412,883.73/x
  3. Step 3: Cross multiply
    839,950.16x = 1,259,033.96 × 412,883.73
  4. Step 4: Simplify right side
    839,950.16x = 519,834,638,633.68
  5. Step 5: Solve for x
    x = 519,834,638,633.68/839,950.16
  6. Step 6: Final answer
    x = 618,887.48

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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.