Finding the Fourth Proportional to 1,317,153.84, 1,817,672.20 and 713,541.84
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Solution
The fourth proportional to 1,317,153.84, 1,817,672.20 and 713,541.84 is: 984,687.69
Step by Step Solution
- Step 1: Write the proportion equation
1,317,153.84 : 1,817,672.20 = 713,541.84 : x - Step 2: Convert to fraction form
1,317,153.84/1,817,672.20 = 713,541.84/x - Step 3: Cross multiply
1,317,153.84x = 1,817,672.20 × 713,541.84 - Step 4: Simplify right side
1,317,153.84x = 1,296,985,166,104.85 - Step 5: Solve for x
x = 1,296,985,166,104.85/1,317,153.84 - Step 6: Final answer
x = 984,687.69
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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.