Finding the Fourth Proportional to 1,749,034.49, 2,412,382.79 and 1,159,267.31
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Solution
The fourth proportional to 1,749,034.49, 2,412,382.79 and 1,159,267.31 is: 1,598,937.31
Step by Step Solution
- Step 1: Write the proportion equation
1,749,034.49 : 2,412,382.79 = 1,159,267.31 : x - Step 2: Convert to fraction form
1,749,034.49/2,412,382.79 = 1,159,267.31/x - Step 3: Cross multiply
1,749,034.49x = 2,412,382.79 × 1,159,267.31 - Step 4: Simplify right side
1,749,034.49x = 2,796,596,489,795.34 - Step 5: Solve for x
x = 2,796,596,489,795.34/1,749,034.49 - Step 6: Final answer
x = 1,598,937.31
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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.