Finding the Fourth Proportional to 1,603,765.84, 2,213,199.56 and 878,597.68
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Solution
The fourth proportional to 1,603,765.84, 2,213,199.56 and 878,597.68 is: 1,212,466.28
Step by Step Solution
- Step 1: Write the proportion equation
1,603,765.84 : 2,213,199.56 = 878,597.68 : x - Step 2: Convert to fraction form
1,603,765.84/2,213,199.56 = 878,597.68/x - Step 3: Cross multiply
1,603,765.84x = 2,213,199.56 × 878,597.68 - Step 4: Simplify right side
1,603,765.84x = 1,944,511,998,793.02 - Step 5: Solve for x
x = 1,944,511,998,793.02/1,603,765.84 - Step 6: Final answer
x = 1,212,466.28
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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.