Finding the Fourth Proportional to 716,812.56, 1,073,444.94 and 416,381.94
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Solution
The fourth proportional to 716,812.56, 1,073,444.94 and 416,381.94 is: 623,542.49
Step by Step Solution
- Step 1: Write the proportion equation
716,812.56 : 1,073,444.94 = 416,381.94 : x - Step 2: Convert to fraction form
716,812.56/1,073,444.94 = 416,381.94/x - Step 3: Cross multiply
716,812.56x = 1,073,444.94 × 416,381.94 - Step 4: Simplify right side
716,812.56x = 446,963,086,600.38 - Step 5: Solve for x
x = 446,963,086,600.38/716,812.56 - Step 6: Final answer
x = 623,542.49
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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.