Finding the Fourth Proportional to 715,817.26, 1,073,670.05 and 416,106.67
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Solution
The fourth proportional to 715,817.26, 1,073,670.05 and 416,106.67 is: 624,127.55
Step by Step Solution
- Step 1: Write the proportion equation
715,817.26 : 1,073,670.05 = 416,106.67 : x - Step 2: Convert to fraction form
715,817.26/1,073,670.05 = 416,106.67/x - Step 3: Cross multiply
715,817.26x = 1,073,670.05 × 416,106.67 - Step 4: Simplify right side
715,817.26x = 446,761,269,184.23 - Step 5: Solve for x
x = 446,761,269,184.23/715,817.26 - Step 6: Final answer
x = 624,127.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.