Finding the Fourth Proportional to 1,577,520.18, 2,365,813.18 and 440,008.09
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Solution
The fourth proportional to 1,577,520.18, 2,365,813.18 and 440,008.09 is: 659,881.85
Step by Step Solution
- Step 1: Write the proportion equation
1,577,520.18 : 2,365,813.18 = 440,008.09 : x - Step 2: Convert to fraction form
1,577,520.18/2,365,813.18 = 440,008.09/x - Step 3: Cross multiply
1,577,520.18x = 2,365,813.18 × 440,008.09 - Step 4: Simplify right side
1,577,520.18x = 1,040,976,938,628.63 - Step 5: Solve for x
x = 1,040,976,938,628.63/1,577,520.18 - Step 6: Final answer
x = 659,881.85
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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.