Home / 1,198,640.88-1,654,050.96-654,666.48

Finding the Fourth Proportional to 1,198,640.88, 1,654,050.96 and 654,666.48

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Solution

The fourth proportional to 1,198,640.88, 1,654,050.96 and 654,666.48 is: 903,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,640.88 : 1,654,050.96 = 654,666.48 : x
  2. Step 2: Convert to fraction form
    1,198,640.88/1,654,050.96 = 654,666.48/x
  3. Step 3: Cross multiply
    1,198,640.88x = 1,654,050.96 × 654,666.48
  4. Step 4: Simplify right side
    1,198,640.88x = 1,082,851,719,723.82
  5. Step 5: Solve for x
    x = 1,082,851,719,723.82/1,198,640.88
  6. Step 6: Final answer
    x = 903,399.62

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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.