Home / 1,227,040.79-1,840,853.30-618,333.49

Finding the Fourth Proportional to 1,227,040.79, 1,840,853.30 and 618,333.49

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Solution

The fourth proportional to 1,227,040.79, 1,840,853.30 and 618,333.49 is: 927,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,040.79 : 1,840,853.30 = 618,333.49 : x
  2. Step 2: Convert to fraction form
    1,227,040.79/1,840,853.30 = 618,333.49/x
  3. Step 3: Cross multiply
    1,227,040.79x = 1,840,853.30 × 618,333.49
  4. Step 4: Simplify right side
    1,227,040.79x = 1,138,261,237,873.22
  5. Step 5: Solve for x
    x = 1,138,261,237,873.22/1,227,040.79
  6. Step 6: Final answer
    x = 927,647.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.