Home / 1,214,848.68-1,821,137.15-540,563.78

Finding the Fourth Proportional to 1,214,848.68, 1,821,137.15 and 540,563.78

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Solution

The fourth proportional to 1,214,848.68, 1,821,137.15 and 540,563.78 is: 810,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,848.68 : 1,821,137.15 = 540,563.78 : x
  2. Step 2: Convert to fraction form
    1,214,848.68/1,821,137.15 = 540,563.78/x
  3. Step 3: Cross multiply
    1,214,848.68x = 1,821,137.15 × 540,563.78
  4. Step 4: Simplify right side
    1,214,848.68x = 984,440,769,893.92
  5. Step 5: Solve for x
    x = 984,440,769,893.92/1,214,848.68
  6. Step 6: Final answer
    x = 810,340.24

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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.