Finding the Fourth Proportional to 834,961.84, 1,152,846.48 and 513,103.48
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Solution
The fourth proportional to 834,961.84, 1,152,846.48 and 513,103.48 is: 708,450.99
Step by Step Solution
- Step 1: Write the proportion equation
834,961.84 : 1,152,846.48 = 513,103.48 : x - Step 2: Convert to fraction form
834,961.84/1,152,846.48 = 513,103.48/x - Step 3: Cross multiply
834,961.84x = 1,152,846.48 × 513,103.48 - Step 4: Simplify right side
834,961.84x = 591,529,540,793.75 - Step 5: Solve for x
x = 591,529,540,793.75/834,961.84 - Step 6: Final answer
x = 708,450.99
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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.