Finding the Fourth Proportional to 1,203,907.84, 1,661,399.04 and 694,631.68
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Solution
The fourth proportional to 1,203,907.84, 1,661,399.04 and 694,631.68 is: 958,595.31
Step by Step Solution
- Step 1: Write the proportion equation
1,203,907.84 : 1,661,399.04 = 694,631.68 : x - Step 2: Convert to fraction form
1,203,907.84/1,661,399.04 = 694,631.68/x - Step 3: Cross multiply
1,203,907.84x = 1,661,399.04 × 694,631.68 - Step 4: Simplify right side
1,203,907.84x = 1,154,060,406,305.59 - Step 5: Solve for x
x = 1,154,060,406,305.59/1,203,907.84 - Step 6: Final answer
x = 958,595.31
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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.