Home / 1,818,923.07-2,728,633.60-620,523.61

Finding the Fourth Proportional to 1,818,923.07, 2,728,633.60 and 620,523.61

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Solution

The fourth proportional to 1,818,923.07, 2,728,633.60 and 620,523.61 is: 930,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,923.07 : 2,728,633.60 = 620,523.61 : x
  2. Step 2: Convert to fraction form
    1,818,923.07/2,728,633.60 = 620,523.61/x
  3. Step 3: Cross multiply
    1,818,923.07x = 2,728,633.60 × 620,523.61
  4. Step 4: Simplify right side
    1,818,923.07x = 1,693,181,571,839.30
  5. Step 5: Solve for x
    x = 1,693,181,571,839.30/1,818,923.07
  6. Step 6: Final answer
    x = 930,870.36

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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.