Finding the Fourth Proportional to 1,037,354.56, 1,431,553.80 and 578,467.68
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Solution
The fourth proportional to 1,037,354.56, 1,431,553.80 and 578,467.68 is: 798,287.91
Step by Step Solution
- Step 1: Write the proportion equation
1,037,354.56 : 1,431,553.80 = 578,467.68 : x - Step 2: Convert to fraction form
1,037,354.56/1,431,553.80 = 578,467.68/x - Step 3: Cross multiply
1,037,354.56x = 1,431,553.80 × 578,467.68 - Step 4: Simplify right side
1,037,354.56x = 828,107,605,481.18 - Step 5: Solve for x
x = 828,107,605,481.18/1,037,354.56 - Step 6: Final answer
x = 798,287.91
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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.