Finding the Fourth Proportional to 1,236,327.84, 1,706,017.68 and 699,783.84
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Solution
The fourth proportional to 1,236,327.84, 1,706,017.68 and 699,783.84 is: 965,636.75
Step by Step Solution
- Step 1: Write the proportion equation
1,236,327.84 : 1,706,017.68 = 699,783.84 : x - Step 2: Convert to fraction form
1,236,327.84/1,706,017.68 = 699,783.84/x - Step 3: Cross multiply
1,236,327.84x = 1,706,017.68 × 699,783.84 - Step 4: Simplify right side
1,236,327.84x = 1,193,843,603,218.29 - Step 5: Solve for x
x = 1,193,843,603,218.29/1,236,327.84 - Step 6: Final answer
x = 965,636.75
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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.