Finding the Fourth Proportional to 1,151,278.26, 1,727,315.53 and 393,653.09
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Solution
The fourth proportional to 1,151,278.26, 1,727,315.53 and 393,653.09 is: 590,615.77
Step by Step Solution
- Step 1: Write the proportion equation
1,151,278.26 : 1,727,315.53 = 393,653.09 : x - Step 2: Convert to fraction form
1,151,278.26/1,727,315.53 = 393,653.09/x - Step 3: Cross multiply
1,151,278.26x = 1,727,315.53 × 393,653.09 - Step 4: Simplify right side
1,151,278.26x = 679,963,096,479.87 - Step 5: Solve for x
x = 679,963,096,479.87/1,151,278.26 - Step 6: Final answer
x = 590,615.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.