Finding the Fourth Proportional to 1,326,615.53, 1,830,735.50 and 753,687.14
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Solution
The fourth proportional to 1,326,615.53, 1,830,735.50 and 753,687.14 is: 1,040,091.70
Step by Step Solution
- Step 1: Write the proportion equation
1,326,615.53 : 1,830,735.50 = 753,687.14 : x - Step 2: Convert to fraction form
1,326,615.53/1,830,735.50 = 753,687.14/x - Step 3: Cross multiply
1,326,615.53x = 1,830,735.50 × 753,687.14 - Step 4: Simplify right side
1,326,615.53x = 1,379,801,790,169.36 - Step 5: Solve for x
x = 1,379,801,790,169.36/1,326,615.53 - Step 6: Final answer
x = 1,040,091.70
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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.