Finding the Fourth Proportional to 833,115.16, 1,149,698.64 and 451,141.84
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Solution
The fourth proportional to 833,115.16, 1,149,698.64 and 451,141.84 is: 622,575.59
Step by Step Solution
- Step 1: Write the proportion equation
833,115.16 : 1,149,698.64 = 451,141.84 : x - Step 2: Convert to fraction form
833,115.16/1,149,698.64 = 451,141.84/x - Step 3: Cross multiply
833,115.16x = 1,149,698.64 × 451,141.84 - Step 4: Simplify right side
833,115.16x = 518,677,159,895.10 - Step 5: Solve for x
x = 518,677,159,895.10/833,115.16 - Step 6: Final answer
x = 622,575.59
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1.5x scale
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.