Home / 1,533,469.92-2,116,139.76-960,819.36

Finding the Fourth Proportional to 1,533,469.92, 2,116,139.76 and 960,819.36

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Solution

The fourth proportional to 1,533,469.92, 2,116,139.76 and 960,819.36 is: 1,325,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,469.92 : 2,116,139.76 = 960,819.36 : x
  2. Step 2: Convert to fraction form
    1,533,469.92/2,116,139.76 = 960,819.36/x
  3. Step 3: Cross multiply
    1,533,469.92x = 2,116,139.76 × 960,819.36
  4. Step 4: Simplify right side
    1,533,469.92x = 2,033,228,049,873.75
  5. Step 5: Solve for x
    x = 2,033,228,049,873.75/1,533,469.92
  6. Step 6: Final answer
    x = 1,325,900.18

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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.