Home / 1,214,178.20-1,821,777.60-652,556.60

Finding the Fourth Proportional to 1,214,178.20, 1,821,777.60 and 652,556.60

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Solution

The fourth proportional to 1,214,178.20, 1,821,777.60 and 652,556.60 is: 979,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,178.20 : 1,821,777.60 = 652,556.60 : x
  2. Step 2: Convert to fraction form
    1,214,178.20/1,821,777.60 = 652,556.60/x
  3. Step 3: Cross multiply
    1,214,178.20x = 1,821,777.60 × 652,556.60
  4. Step 4: Simplify right side
    1,214,178.20x = 1,188,812,996,612.16
  5. Step 5: Solve for x
    x = 1,188,812,996,612.16/1,214,178.20
  6. Step 6: Final answer
    x = 979,109.16

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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.