Home / 1,263,672.93-1,897,190.97-665,054.49

Finding the Fourth Proportional to 1,263,672.93, 1,897,190.97 and 665,054.49

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Solution

The fourth proportional to 1,263,672.93, 1,897,190.97 and 665,054.49 is: 998,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,672.93 : 1,897,190.97 = 665,054.49 : x
  2. Step 2: Convert to fraction form
    1,263,672.93/1,897,190.97 = 665,054.49/x
  3. Step 3: Cross multiply
    1,263,672.93x = 1,897,190.97 × 665,054.49
  4. Step 4: Simplify right side
    1,263,672.93x = 1,261,735,372,985.96
  5. Step 5: Solve for x
    x = 1,261,735,372,985.96/1,263,672.93
  6. Step 6: Final answer
    x = 998,466.73

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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.