Home / 1,214,273.60-1,821,410.40-617,076.80

Finding the Fourth Proportional to 1,214,273.60, 1,821,410.40 and 617,076.80

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Solution

The fourth proportional to 1,214,273.60, 1,821,410.40 and 617,076.80 is: 925,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,273.60 : 1,821,410.40 = 617,076.80 : x
  2. Step 2: Convert to fraction form
    1,214,273.60/1,821,410.40 = 617,076.80/x
  3. Step 3: Cross multiply
    1,214,273.60x = 1,821,410.40 × 617,076.80
  4. Step 4: Simplify right side
    1,214,273.60x = 1,123,950,101,118.72
  5. Step 5: Solve for x
    x = 1,123,950,101,118.72/1,214,273.60
  6. Step 6: Final answer
    x = 925,615.20

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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.