Home / 1,213,895.20-1,821,353.10-652,273.60

Finding the Fourth Proportional to 1,213,895.20, 1,821,353.10 and 652,273.60

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Solution

The fourth proportional to 1,213,895.20, 1,821,353.10 and 652,273.60 is: 978,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,895.20 : 1,821,353.10 = 652,273.60 : x
  2. Step 2: Convert to fraction form
    1,213,895.20/1,821,353.10 = 652,273.60/x
  3. Step 3: Cross multiply
    1,213,895.20x = 1,821,353.10 × 652,273.60
  4. Step 4: Simplify right side
    1,213,895.20x = 1,188,020,543,408.16
  5. Step 5: Solve for x
    x = 1,188,020,543,408.16/1,213,895.20
  6. Step 6: Final answer
    x = 978,684.60

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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.