Finding the Fourth Proportional to 1,405,827.58, 1,940,051.36 and 761,247.75
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Solution
The fourth proportional to 1,405,827.58, 1,940,051.36 and 761,247.75 is: 1,050,526.93
Step by Step Solution
- Step 1: Write the proportion equation
1,405,827.58 : 1,940,051.36 = 761,247.75 : x - Step 2: Convert to fraction form
1,405,827.58/1,940,051.36 = 761,247.75/x - Step 3: Cross multiply
1,405,827.58x = 1,940,051.36 × 761,247.75 - Step 4: Simplify right side
1,405,827.58x = 1,476,859,732,684.44 - Step 5: Solve for x
x = 1,476,859,732,684.44/1,405,827.58 - Step 6: Final answer
x = 1,050,526.93
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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.