Home / 1,661,986.95-2,293,542.60-898,040.51

Finding the Fourth Proportional to 1,661,986.95, 2,293,542.60 and 898,040.51

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Solution

The fourth proportional to 1,661,986.95, 2,293,542.60 and 898,040.51 is: 1,239,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,986.95 : 2,293,542.60 = 898,040.51 : x
  2. Step 2: Convert to fraction form
    1,661,986.95/2,293,542.60 = 898,040.51/x
  3. Step 3: Cross multiply
    1,661,986.95x = 2,293,542.60 × 898,040.51
  4. Step 4: Simplify right side
    1,661,986.95x = 2,059,694,166,210.73
  5. Step 5: Solve for x
    x = 2,059,694,166,210.73/1,661,986.95
  6. Step 6: Final answer
    x = 1,239,296.23

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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.