Finding the Fourth Proportional to 1,131,247.84, 1,561,118.16 and 621,948.64
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Solution
The fourth proportional to 1,131,247.84, 1,561,118.16 and 621,948.64 is: 858,287.00
Step by Step Solution
- Step 1: Write the proportion equation
1,131,247.84 : 1,561,118.16 = 621,948.64 : x - Step 2: Convert to fraction form
1,131,247.84/1,561,118.16 = 621,948.64/x - Step 3: Cross multiply
1,131,247.84x = 1,561,118.16 × 621,948.64 - Step 4: Simplify right side
1,131,247.84x = 970,935,316,491.30 - Step 5: Solve for x
x = 970,935,316,491.30/1,131,247.84 - Step 6: Final answer
x = 858,287.00
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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.