Finding the Fourth Proportional to 4,212,417.86, 6,318,626.74 and 1,017,543.97
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Solution
The fourth proportional to 4,212,417.86, 6,318,626.74 and 1,017,543.97 is: 1,526,315.94
Step by Step Solution
- Step 1: Write the proportion equation
4,212,417.86 : 6,318,626.74 = 1,017,543.97 : x - Step 2: Convert to fraction form
4,212,417.86/6,318,626.74 = 1,017,543.97/x - Step 3: Cross multiply
4,212,417.86x = 6,318,626.74 × 1,017,543.97 - Step 4: Simplify right side
4,212,417.86x = 6,429,480,543,322.18 - Step 5: Solve for x
x = 6,429,480,543,322.18/4,212,417.86 - Step 6: Final answer
x = 1,526,315.94
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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.