Home / 1,458,071.56-2,187,120.30-447,198.24

Finding the Fourth Proportional to 1,458,071.56, 2,187,120.30 and 447,198.24

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Solution

The fourth proportional to 1,458,071.56, 2,187,120.30 and 447,198.24 is: 670,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,071.56 : 2,187,120.30 = 447,198.24 : x
  2. Step 2: Convert to fraction form
    1,458,071.56/2,187,120.30 = 447,198.24/x
  3. Step 3: Cross multiply
    1,458,071.56x = 2,187,120.30 × 447,198.24
  4. Step 4: Simplify right side
    1,458,071.56x = 978,076,348,828.27
  5. Step 5: Solve for x
    x = 978,076,348,828.27/1,458,071.56
  6. Step 6: Final answer
    x = 670,801.33

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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.