Home / 1,214,512.40-1,821,768.60-1,074,544.40

Finding the Fourth Proportional to 1,214,512.40, 1,821,768.60 and 1,074,544.40

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Solution

The fourth proportional to 1,214,512.40, 1,821,768.60 and 1,074,544.40 is: 1,611,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,512.40 : 1,821,768.60 = 1,074,544.40 : x
  2. Step 2: Convert to fraction form
    1,214,512.40/1,821,768.60 = 1,074,544.40/x
  3. Step 3: Cross multiply
    1,214,512.40x = 1,821,768.60 × 1,074,544.40
  4. Step 4: Simplify right side
    1,214,512.40x = 1,957,571,247,225.84
  5. Step 5: Solve for x
    x = 1,957,571,247,225.84/1,214,512.40
  6. Step 6: Final answer
    x = 1,611,816.60

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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.