Finding the Fourth Proportional to 1,394,830.17, 1,924,370.58 and 911,674.29
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Solution
The fourth proportional to 1,394,830.17, 1,924,370.58 and 911,674.29 is: 1,257,786.95
Step by Step Solution
- Step 1: Write the proportion equation
1,394,830.17 : 1,924,370.58 = 911,674.29 : x - Step 2: Convert to fraction form
1,394,830.17/1,924,370.58 = 911,674.29/x - Step 3: Cross multiply
1,394,830.17x = 1,924,370.58 × 911,674.29 - Step 4: Simplify right side
1,394,830.17x = 1,754,399,182,218.39 - Step 5: Solve for x
x = 1,754,399,182,218.39/1,394,830.17 - Step 6: Final answer
x = 1,257,786.95
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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.