Finding the Fourth Proportional to 1,677,615.53, 2,315,135.79 and 913,668.48
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Solution
The fourth proportional to 1,677,615.53, 2,315,135.79 and 913,668.48 is: 1,260,876.86
Step by Step Solution
- Step 1: Write the proportion equation
1,677,615.53 : 2,315,135.79 = 913,668.48 : x - Step 2: Convert to fraction form
1,677,615.53/2,315,135.79 = 913,668.48/x - Step 3: Cross multiply
1,677,615.53x = 2,315,135.79 × 913,668.48 - Step 4: Simplify right side
1,677,615.53x = 2,115,266,598,242.90 - Step 5: Solve for x
x = 2,115,266,598,242.90/1,677,615.53 - Step 6: Final answer
x = 1,260,876.86
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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.