Home / 1,228,261.60-1,844,293.20-668,389.60

Finding the Fourth Proportional to 1,228,261.60, 1,844,293.20 and 668,389.60

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Solution

The fourth proportional to 1,228,261.60, 1,844,293.20 and 668,389.60 is: 1,003,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,261.60 : 1,844,293.20 = 668,389.60 : x
  2. Step 2: Convert to fraction form
    1,228,261.60/1,844,293.20 = 668,389.60/x
  3. Step 3: Cross multiply
    1,228,261.60x = 1,844,293.20 × 668,389.60
  4. Step 4: Simplify right side
    1,228,261.60x = 1,232,706,394,230.72
  5. Step 5: Solve for x
    x = 1,232,706,394,230.72/1,228,261.60
  6. Step 6: Final answer
    x = 1,003,618.77

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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.