Finding the Fourth Proportional to 741,126.02, 1,022,772.57 and 454,803.98
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Solution
The fourth proportional to 741,126.02, 1,022,772.57 and 454,803.98 is: 627,640.94
Step by Step Solution
- Step 1: Write the proportion equation
741,126.02 : 1,022,772.57 = 454,803.98 : x - Step 2: Convert to fraction form
741,126.02/1,022,772.57 = 454,803.98/x - Step 3: Cross multiply
741,126.02x = 1,022,772.57 × 454,803.98 - Step 4: Simplify right side
741,126.02x = 465,161,035,470.83 - Step 5: Solve for x
x = 465,161,035,470.83/741,126.02 - Step 6: Final answer
x = 627,640.94
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1.5x scale
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.