Finding the Fourth Proportional to 1,299,944.09, 1,794,373.73 and 893,391.72
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Solution
The fourth proportional to 1,299,944.09, 1,794,373.73 and 893,391.72 is: 1,233,190.45
Step by Step Solution
- Step 1: Write the proportion equation
1,299,944.09 : 1,794,373.73 = 893,391.72 : x - Step 2: Convert to fraction form
1,299,944.09/1,794,373.73 = 893,391.72/x - Step 3: Cross multiply
1,299,944.09x = 1,794,373.73 × 893,391.72 - Step 4: Simplify right side
1,299,944.09x = 1,603,078,628,500.56 - Step 5: Solve for x
x = 1,603,078,628,500.56/1,299,944.09 - Step 6: Final answer
x = 1,233,190.45
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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.