Home / 1,202,043.27-1,658,864.41-685,881.20

Finding the Fourth Proportional to 1,202,043.27, 1,658,864.41 and 685,881.20

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Solution

The fourth proportional to 1,202,043.27, 1,658,864.41 and 685,881.20 is: 946,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,043.27 : 1,658,864.41 = 685,881.20 : x
  2. Step 2: Convert to fraction form
    1,202,043.27/1,658,864.41 = 685,881.20/x
  3. Step 3: Cross multiply
    1,202,043.27x = 1,658,864.41 × 685,881.20
  4. Step 4: Simplify right side
    1,202,043.27x = 1,137,783,914,600.55
  5. Step 5: Solve for x
    x = 1,137,783,914,600.55/1,202,043.27
  6. Step 6: Final answer
    x = 946,541.56

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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.