Finding the Fourth Proportional to 896,140.44, 1,235,990.88 and 609,176.88
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Solution
The fourth proportional to 896,140.44, 1,235,990.88 and 609,176.88 is: 840,199.86
Step by Step Solution
- Step 1: Write the proportion equation
896,140.44 : 1,235,990.88 = 609,176.88 : x - Step 2: Convert to fraction form
896,140.44/1,235,990.88 = 609,176.88/x - Step 3: Cross multiply
896,140.44x = 1,235,990.88 × 609,176.88 - Step 4: Simplify right side
896,140.44x = 752,937,067,986.85 - Step 5: Solve for x
x = 752,937,067,986.85/896,140.44 - Step 6: Final answer
x = 840,199.86
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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.