Finding the Fourth Proportional to 708,225.36, 1,062,651.60 and 371,185.68
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Solution
The fourth proportional to 708,225.36, 1,062,651.60 and 371,185.68 is: 556,942.86
Step by Step Solution
- Step 1: Write the proportion equation
708,225.36 : 1,062,651.60 = 371,185.68 : x - Step 2: Convert to fraction form
708,225.36/1,062,651.60 = 371,185.68/x - Step 3: Cross multiply
708,225.36x = 1,062,651.60 × 371,185.68 - Step 4: Simplify right side
708,225.36x = 394,441,056,749.09 - Step 5: Solve for x
x = 394,441,056,749.09/708,225.36 - Step 6: Final answer
x = 556,942.86
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1.5x scale
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.