Finding the Fourth Proportional to 864,578.23, 1,193,219.16 and 719,127.40
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Solution
The fourth proportional to 864,578.23, 1,193,219.16 and 719,127.40 is: 992,479.99
Step by Step Solution
- Step 1: Write the proportion equation
864,578.23 : 1,193,219.16 = 719,127.40 : x - Step 2: Convert to fraction form
864,578.23/1,193,219.16 = 719,127.40/x - Step 3: Cross multiply
864,578.23x = 1,193,219.16 × 719,127.40 - Step 4: Simplify right side
864,578.23x = 858,076,592,160.98 - Step 5: Solve for x
x = 858,076,592,160.98/864,578.23 - Step 6: Final answer
x = 992,479.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.