Home / 1,218,566.41-1,681,504.89-674,682.28

Finding the Fourth Proportional to 1,218,566.41, 1,681,504.89 and 674,682.28

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Solution

The fourth proportional to 1,218,566.41, 1,681,504.89 and 674,682.28 is: 930,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,566.41 : 1,681,504.89 = 674,682.28 : x
  2. Step 2: Convert to fraction form
    1,218,566.41/1,681,504.89 = 674,682.28/x
  3. Step 3: Cross multiply
    1,218,566.41x = 1,681,504.89 × 674,682.28
  4. Step 4: Simplify right side
    1,218,566.41x = 1,134,481,553,016.35
  5. Step 5: Solve for x
    x = 1,134,481,553,016.35/1,218,566.41
  6. Step 6: Final answer
    x = 930,996.90

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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.