Finding the Fourth Proportional to 893,834.09, 1,233,515.36 and 485,963.36
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Solution
The fourth proportional to 893,834.09, 1,233,515.36 and 485,963.36 is: 670,642.66
Step by Step Solution
- Step 1: Write the proportion equation
893,834.09 : 1,233,515.36 = 485,963.36 : x - Step 2: Convert to fraction form
893,834.09/1,233,515.36 = 485,963.36/x - Step 3: Cross multiply
893,834.09x = 1,233,515.36 × 485,963.36 - Step 4: Simplify right side
893,834.09x = 599,443,268,957.21 - Step 5: Solve for x
x = 599,443,268,957.21/893,834.09 - Step 6: Final answer
x = 670,642.66
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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.