Finding the Fourth Proportional to 741,098.16, 1,022,338.26 and 468,708.12
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Solution
The fourth proportional to 741,098.16, 1,022,338.26 and 468,708.12 is: 646,578.64
Step by Step Solution
- Step 1: Write the proportion equation
741,098.16 : 1,022,338.26 = 468,708.12 : x - Step 2: Convert to fraction form
741,098.16/1,022,338.26 = 468,708.12/x - Step 3: Cross multiply
741,098.16x = 1,022,338.26 × 468,708.12 - Step 4: Simplify right side
741,098.16x = 479,178,243,848.67 - Step 5: Solve for x
x = 479,178,243,848.67/741,098.16 - Step 6: Final answer
x = 646,578.64
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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.