Home / 1,857,834-2,787,219.36-528,138

Finding the Fourth Proportional to 1,857,834, 2,787,219.36 and 528,138

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Solution

The fourth proportional to 1,857,834, 2,787,219.36 and 528,138 is: 792,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,834 : 2,787,219.36 = 528,138 : x
  2. Step 2: Convert to fraction form
    1,857,834/2,787,219.36 = 528,138/x
  3. Step 3: Cross multiply
    1,857,834x = 2,787,219.36 × 528,138
  4. Step 4: Simplify right side
    1,857,834x = 1,472,036,458,351.68
  5. Step 5: Solve for x
    x = 1,472,036,458,351.68/1,857,834
  6. Step 6: Final answer
    x = 792,340.14

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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.