Home / 1,230,918.85-1,846,193.59-389,361.25

Finding the Fourth Proportional to 1,230,918.85, 1,846,193.59 and 389,361.25

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Solution

The fourth proportional to 1,230,918.85, 1,846,193.59 and 389,361.25 is: 583,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,918.85 : 1,846,193.59 = 389,361.25 : x
  2. Step 2: Convert to fraction form
    1,230,918.85/1,846,193.59 = 389,361.25/x
  3. Step 3: Cross multiply
    1,230,918.85x = 1,846,193.59 × 389,361.25
  4. Step 4: Simplify right side
    1,230,918.85x = 718,836,243,944.39
  5. Step 5: Solve for x
    x = 718,836,243,944.39/1,230,918.85
  6. Step 6: Final answer
    x = 583,983.46

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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.