Finding the Fourth Proportional to 945,646.99, 1,304,991.34 and 515,927.17
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Solution
The fourth proportional to 945,646.99, 1,304,991.34 and 515,927.17 is: 711,978.68
Step by Step Solution
- Step 1: Write the proportion equation
945,646.99 : 1,304,991.34 = 515,927.17 : x - Step 2: Convert to fraction form
945,646.99/1,304,991.34 = 515,927.17/x - Step 3: Cross multiply
945,646.99x = 1,304,991.34 × 515,927.17 - Step 4: Simplify right side
945,646.99x = 673,280,489,262.13 - Step 5: Solve for x
x = 673,280,489,262.13/945,646.99 - Step 6: Final answer
x = 711,978.68
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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.