Finding the Fourth Proportional to 939,594.23, 1,296,643.55 and 509,874.44
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Solution
The fourth proportional to 939,594.23, 1,296,643.55 and 509,874.44 is: 703,628.63
Step by Step Solution
- Step 1: Write the proportion equation
939,594.23 : 1,296,643.55 = 509,874.44 : x - Step 2: Convert to fraction form
939,594.23/1,296,643.55 = 509,874.44/x - Step 3: Cross multiply
939,594.23x = 1,296,643.55 × 509,874.44 - Step 4: Simplify right side
939,594.23x = 661,125,394,903.27 - Step 5: Solve for x
x = 661,125,394,903.27/939,594.23 - Step 6: Final answer
x = 703,628.63
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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.