Finding the Fourth Proportional to 1,577,521.18, 2,365,814.68 and 440,009.09
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Solution
The fourth proportional to 1,577,521.18, 2,365,814.68 and 440,009.09 is: 659,883.35
Step by Step Solution
- Step 1: Write the proportion equation
1,577,521.18 : 2,365,814.68 = 440,009.09 : x - Step 2: Convert to fraction form
1,577,521.18/2,365,814.68 = 440,009.09/x - Step 3: Cross multiply
1,577,521.18x = 2,365,814.68 × 440,009.09 - Step 4: Simplify right side
1,577,521.18x = 1,040,979,964,455.44 - Step 5: Solve for x
x = 1,040,979,964,455.44/1,577,521.18 - Step 6: Final answer
x = 659,883.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.