Home / 1,645,105.64-2,467,861.56-803,021

Finding the Fourth Proportional to 1,645,105.64, 2,467,861.56 and 803,021

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Solution

The fourth proportional to 1,645,105.64, 2,467,861.56 and 803,021 is: 1,204,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,105.64 : 2,467,861.56 = 803,021 : x
  2. Step 2: Convert to fraction form
    1,645,105.64/2,467,861.56 = 803,021/x
  3. Step 3: Cross multiply
    1,645,105.64x = 2,467,861.56 × 803,021
  4. Step 4: Simplify right side
    1,645,105.64x = 1,981,744,657,772.76
  5. Step 5: Solve for x
    x = 1,981,744,657,772.76/1,645,105.64
  6. Step 6: Final answer
    x = 1,204,630.64

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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.