Finding the Fourth Proportional to 1,534,184.67, 2,117,128.98 and 836,438.70
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Solution
The fourth proportional to 1,534,184.67, 2,117,128.98 and 836,438.70 is: 1,154,260.40
Step by Step Solution
- Step 1: Write the proportion equation
1,534,184.67 : 2,117,128.98 = 836,438.70 : x - Step 2: Convert to fraction form
1,534,184.67/2,117,128.98 = 836,438.70/x - Step 3: Cross multiply
1,534,184.67x = 2,117,128.98 × 836,438.70 - Step 4: Simplify right side
1,534,184.67x = 1,770,848,611,763.53 - Step 5: Solve for x
x = 1,770,848,611,763.53/1,534,184.67 - Step 6: Final answer
x = 1,154,260.40
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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.