Home / 1,376,999.80-2,065,791.30-417,376.60

Finding the Fourth Proportional to 1,376,999.80, 2,065,791.30 and 417,376.60

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Solution

The fourth proportional to 1,376,999.80, 2,065,791.30 and 417,376.60 is: 626,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,999.80 : 2,065,791.30 = 417,376.60 : x
  2. Step 2: Convert to fraction form
    1,376,999.80/2,065,791.30 = 417,376.60/x
  3. Step 3: Cross multiply
    1,376,999.80x = 2,065,791.30 × 417,376.60
  4. Step 4: Simplify right side
    1,376,999.80x = 862,212,949,103.58
  5. Step 5: Solve for x
    x = 862,212,949,103.58/1,376,999.80
  6. Step 6: Final answer
    x = 626,153.29

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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.