Home / 1,469,943.76-2,028,580.02-1,005,771.22

Finding the Fourth Proportional to 1,469,943.76, 2,028,580.02 and 1,005,771.22

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Solution

The fourth proportional to 1,469,943.76, 2,028,580.02 and 1,005,771.22 is: 1,388,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,943.76 : 2,028,580.02 = 1,005,771.22 : x
  2. Step 2: Convert to fraction form
    1,469,943.76/2,028,580.02 = 1,005,771.22/x
  3. Step 3: Cross multiply
    1,469,943.76x = 2,028,580.02 × 1,005,771.22
  4. Step 4: Simplify right side
    1,469,943.76x = 2,040,287,396,068.02
  5. Step 5: Solve for x
    x = 2,040,287,396,068.02/1,469,943.76
  6. Step 6: Final answer
    x = 1,388,003.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.