Home / 1,093,078.80-1,638,743.40-461,473.20

Finding the Fourth Proportional to 1,093,078.80, 1,638,743.40 and 461,473.20

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Solution

The fourth proportional to 1,093,078.80, 1,638,743.40 and 461,473.20 is: 691,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,078.80 : 1,638,743.40 = 461,473.20 : x
  2. Step 2: Convert to fraction form
    1,093,078.80/1,638,743.40 = 461,473.20/x
  3. Step 3: Cross multiply
    1,093,078.80x = 1,638,743.40 × 461,473.20
  4. Step 4: Simplify right side
    1,093,078.80x = 756,236,160,776.88
  5. Step 5: Solve for x
    x = 756,236,160,776.88/1,093,078.80
  6. Step 6: Final answer
    x = 691,840.48

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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.