Finding the Fourth Proportional to 1,603,644.14, 2,213,011.28 and 868,580.12
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Solution
The fourth proportional to 1,603,644.14, 2,213,011.28 and 868,580.12 is: 1,198,631.01
Step by Step Solution
- Step 1: Write the proportion equation
1,603,644.14 : 2,213,011.28 = 868,580.12 : x - Step 2: Convert to fraction form
1,603,644.14/2,213,011.28 = 868,580.12/x - Step 3: Cross multiply
1,603,644.14x = 2,213,011.28 × 868,580.12 - Step 4: Simplify right side
1,603,644.14x = 1,922,177,587,735.80 - Step 5: Solve for x
x = 1,922,177,587,735.80/1,603,644.14 - Step 6: Final answer
x = 1,198,631.01
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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.