Finding the Fourth Proportional to 713,058.62, 983,896.17 and 406,995.26
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Solution
The fourth proportional to 713,058.62, 983,896.17 and 406,995.26 is: 561,582.27
Step by Step Solution
- Step 1: Write the proportion equation
713,058.62 : 983,896.17 = 406,995.26 : x - Step 2: Convert to fraction form
713,058.62/983,896.17 = 406,995.26/x - Step 3: Cross multiply
713,058.62x = 983,896.17 × 406,995.26 - Step 4: Simplify right side
713,058.62x = 400,441,077,522.15 - Step 5: Solve for x
x = 400,441,077,522.15/713,058.62 - Step 6: Final answer
x = 561,582.27
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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.