Home / 1,230,919.35-1,846,194.35-389,361.75

Finding the Fourth Proportional to 1,230,919.35, 1,846,194.35 and 389,361.75

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Solution

The fourth proportional to 1,230,919.35, 1,846,194.35 and 389,361.75 is: 583,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,919.35 : 1,846,194.35 = 389,361.75 : x
  2. Step 2: Convert to fraction form
    1,230,919.35/1,846,194.35 = 389,361.75/x
  3. Step 3: Cross multiply
    1,230,919.35x = 1,846,194.35 × 389,361.75
  4. Step 4: Simplify right side
    1,230,919.35x = 718,837,461,009.30
  5. Step 5: Solve for x
    x = 718,837,461,009.30/1,230,919.35
  6. Step 6: Final answer
    x = 583,984.21

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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.