Home / 1,198,679.66-1,654,157.07-654,801.47

Finding the Fourth Proportional to 1,198,679.66, 1,654,157.07 and 654,801.47

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Solution

The fourth proportional to 1,198,679.66, 1,654,157.07 and 654,801.47 is: 903,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,679.66 : 1,654,157.07 = 654,801.47 : x
  2. Step 2: Convert to fraction form
    1,198,679.66/1,654,157.07 = 654,801.47/x
  3. Step 3: Cross multiply
    1,198,679.66x = 1,654,157.07 × 654,801.47
  4. Step 4: Simplify right side
    1,198,679.66x = 1,083,144,472,776.11
  5. Step 5: Solve for x
    x = 1,083,144,472,776.11/1,198,679.66
  6. Step 6: Final answer
    x = 903,614.63

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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.