Finding the Fourth Proportional to 1,193,140.75, 1,646,534.52 and 656,596.75
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Solution
The fourth proportional to 1,193,140.75, 1,646,534.52 and 656,596.75 is: 906,103.67
Step by Step Solution
- Step 1: Write the proportion equation
1,193,140.75 : 1,646,534.52 = 656,596.75 : x - Step 2: Convert to fraction form
1,193,140.75/1,646,534.52 = 656,596.75/x - Step 3: Cross multiply
1,193,140.75x = 1,646,534.52 × 656,596.75 - Step 4: Simplify right side
1,193,140.75x = 1,081,109,214,594.81 - Step 5: Solve for x
x = 1,081,109,214,594.81/1,193,140.75 - Step 6: Final answer
x = 906,103.67
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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.