Finding the Fourth Proportional to 862,608.96, 1,190,436.96 and 480,636
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Solution
The fourth proportional to 862,608.96, 1,190,436.96 and 480,636 is: 663,298.07
Step by Step Solution
- Step 1: Write the proportion equation
862,608.96 : 1,190,436.96 = 480,636 : x - Step 2: Convert to fraction form
862,608.96/1,190,436.96 = 480,636/x - Step 3: Cross multiply
862,608.96x = 1,190,436.96 × 480,636 - Step 4: Simplify right side
862,608.96x = 572,166,858,706.56 - Step 5: Solve for x
x = 572,166,858,706.56/862,608.96 - Step 6: Final answer
x = 663,298.07
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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.