Finding the Fourth Proportional to 695,615.81, 1,043,573.34 and 215,834
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Solution
The fourth proportional to 695,615.81, 1,043,573.34 and 215,834 is: 323,797.43
Step by Step Solution
- Step 1: Write the proportion equation
695,615.81 : 1,043,573.34 = 215,834 : x - Step 2: Convert to fraction form
695,615.81/1,043,573.34 = 215,834/x - Step 3: Cross multiply
695,615.81x = 1,043,573.34 × 215,834 - Step 4: Simplify right side
695,615.81x = 225,238,608,265.56 - Step 5: Solve for x
x = 225,238,608,265.56/695,615.81 - Step 6: Final answer
x = 323,797.43
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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.