Home / 1,661,330.25-2,292,636.66-897,383.81

Finding the Fourth Proportional to 1,661,330.25, 2,292,636.66 and 897,383.81

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Solution

The fourth proportional to 1,661,330.25, 2,292,636.66 and 897,383.81 is: 1,238,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,330.25 : 2,292,636.66 = 897,383.81 : x
  2. Step 2: Convert to fraction form
    1,661,330.25/2,292,636.66 = 897,383.81/x
  3. Step 3: Cross multiply
    1,661,330.25x = 2,292,636.66 × 897,383.81
  4. Step 4: Simplify right side
    1,661,330.25x = 2,057,375,023,262.88
  5. Step 5: Solve for x
    x = 2,057,375,023,262.88/1,661,330.25
  6. Step 6: Final answer
    x = 1,238,390.15

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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.