Finding the Fourth Proportional to 756,117.24, 1,043,441.24 and 416,585.50
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Solution
The fourth proportional to 756,117.24, 1,043,441.24 and 416,585.50 is: 574,887.69
Step by Step Solution
- Step 1: Write the proportion equation
756,117.24 : 1,043,441.24 = 416,585.50 : x - Step 2: Convert to fraction form
756,117.24/1,043,441.24 = 416,585.50/x - Step 3: Cross multiply
756,117.24x = 1,043,441.24 × 416,585.50 - Step 4: Simplify right side
756,117.24x = 434,682,490,686.02 - Step 5: Solve for x
x = 434,682,490,686.02/756,117.24 - Step 6: Final answer
x = 574,887.69
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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.