Home / 1,215,290.45-1,823,157.11-416,652.73

Finding the Fourth Proportional to 1,215,290.45, 1,823,157.11 and 416,652.73

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Solution

The fourth proportional to 1,215,290.45, 1,823,157.11 and 416,652.73 is: 625,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,290.45 : 1,823,157.11 = 416,652.73 : x
  2. Step 2: Convert to fraction form
    1,215,290.45/1,823,157.11 = 416,652.73/x
  3. Step 3: Cross multiply
    1,215,290.45x = 1,823,157.11 × 416,652.73
  4. Step 4: Simplify right side
    1,215,290.45x = 759,623,383,584.15
  5. Step 5: Solve for x
    x = 759,623,383,584.15/1,215,290.45
  6. Step 6: Final answer
    x = 625,055.01

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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.