Home / 839,263.46-1,259,145.74-789,134.18

Finding the Fourth Proportional to 839,263.46, 1,259,145.74 and 789,134.18

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Solution

The fourth proportional to 839,263.46, 1,259,145.74 and 789,134.18 is: 1,183,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,263.46 : 1,259,145.74 = 789,134.18 : x
  2. Step 2: Convert to fraction form
    839,263.46/1,259,145.74 = 789,134.18/x
  3. Step 3: Cross multiply
    839,263.46x = 1,259,145.74 × 789,134.18
  4. Step 4: Simplify right side
    839,263.46x = 993,634,936,712.50
  5. Step 5: Solve for x
    x = 993,634,936,712.50/839,263.46
  6. Step 6: Final answer
    x = 1,183,936.86

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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.