Home / 1,214,215.20-1,821,833.10-652,593.60

Finding the Fourth Proportional to 1,214,215.20, 1,821,833.10 and 652,593.60

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Solution

The fourth proportional to 1,214,215.20, 1,821,833.10 and 652,593.60 is: 979,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,215.20 : 1,821,833.10 = 652,593.60 : x
  2. Step 2: Convert to fraction form
    1,214,215.20/1,821,833.10 = 652,593.60/x
  3. Step 3: Cross multiply
    1,214,215.20x = 1,821,833.10 × 652,593.60
  4. Step 4: Simplify right side
    1,214,215.20x = 1,188,916,621,328.16
  5. Step 5: Solve for x
    x = 1,188,916,621,328.16/1,214,215.20
  6. Step 6: Final answer
    x = 979,164.67

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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.