Home / 1,443,320.46-2,163,485.85-1,187,917.41

Finding the Fourth Proportional to 1,443,320.46, 2,163,485.85 and 1,187,917.41

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Solution

The fourth proportional to 1,443,320.46, 2,163,485.85 and 1,187,917.41 is: 1,780,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,320.46 : 2,163,485.85 = 1,187,917.41 : x
  2. Step 2: Convert to fraction form
    1,443,320.46/2,163,485.85 = 1,187,917.41/x
  3. Step 3: Cross multiply
    1,443,320.46x = 2,163,485.85 × 1,187,917.41
  4. Step 4: Simplify right side
    1,443,320.46x = 2,570,042,507,503.65
  5. Step 5: Solve for x
    x = 2,570,042,507,503.65/1,443,320.46
  6. Step 6: Final answer
    x = 1,780,645.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.