Finding the Fourth Proportional to 1,091,814.53, 1,506,816.16 and 656,372.84
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Solution
The fourth proportional to 1,091,814.53, 1,506,816.16 and 656,372.84 is: 905,861.91
Step by Step Solution
- Step 1: Write the proportion equation
1,091,814.53 : 1,506,816.16 = 656,372.84 : x - Step 2: Convert to fraction form
1,091,814.53/1,506,816.16 = 656,372.84/x - Step 3: Cross multiply
1,091,814.53x = 1,506,816.16 × 656,372.84 - Step 4: Simplify right side
1,091,814.53x = 989,033,193,122.08 - Step 5: Solve for x
x = 989,033,193,122.08/1,091,814.53 - Step 6: Final answer
x = 905,861.91
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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.