Home / 1,661,336.63-2,292,645.47-897,390.20

Finding the Fourth Proportional to 1,661,336.63, 2,292,645.47 and 897,390.20

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Solution

The fourth proportional to 1,661,336.63, 2,292,645.47 and 897,390.20 is: 1,238,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,336.63 : 2,292,645.47 = 897,390.20 : x
  2. Step 2: Convert to fraction form
    1,661,336.63/2,292,645.47 = 897,390.20/x
  3. Step 3: Cross multiply
    1,661,336.63x = 2,292,645.47 × 897,390.20
  4. Step 4: Simplify right side
    1,661,336.63x = 2,057,397,560,902.22
  5. Step 5: Solve for x
    x = 2,057,397,560,902.22/1,661,336.63
  6. Step 6: Final answer
    x = 1,238,398.97

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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.