Home / 1,616,015.88-2,230,001.76-890,826.12

Finding the Fourth Proportional to 1,616,015.88, 2,230,001.76 and 890,826.12

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Solution

The fourth proportional to 1,616,015.88, 2,230,001.76 and 890,826.12 is: 1,229,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,015.88 : 2,230,001.76 = 890,826.12 : x
  2. Step 2: Convert to fraction form
    1,616,015.88/2,230,001.76 = 890,826.12/x
  3. Step 3: Cross multiply
    1,616,015.88x = 2,230,001.76 × 890,826.12
  4. Step 4: Simplify right side
    1,616,015.88x = 1,986,543,815,453.97
  5. Step 5: Solve for x
    x = 1,986,543,815,453.97/1,616,015.88
  6. Step 6: Final answer
    x = 1,229,284.84

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1.5x scale

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.