Home / 1,230,921.85-1,846,198.09-389,364.25

Finding the Fourth Proportional to 1,230,921.85, 1,846,198.09 and 389,364.25

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Solution

The fourth proportional to 1,230,921.85, 1,846,198.09 and 389,364.25 is: 583,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,921.85 : 1,846,198.09 = 389,364.25 : x
  2. Step 2: Convert to fraction form
    1,230,921.85/1,846,198.09 = 389,364.25/x
  3. Step 3: Cross multiply
    1,230,921.85x = 1,846,198.09 × 389,364.25
  4. Step 4: Simplify right side
    1,230,921.85x = 718,843,534,664.28
  5. Step 5: Solve for x
    x = 718,843,534,664.28/1,230,921.85
  6. Step 6: Final answer
    x = 583,987.96

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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.