Finding the Fourth Proportional to 1,286,181.74, 1,929,348.35 and 433,182.08
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Solution
The fourth proportional to 1,286,181.74, 1,929,348.35 and 433,182.08 is: 649,798.63
Step by Step Solution
- Step 1: Write the proportion equation
1,286,181.74 : 1,929,348.35 = 433,182.08 : x - Step 2: Convert to fraction form
1,286,181.74/1,929,348.35 = 433,182.08/x - Step 3: Cross multiply
1,286,181.74x = 1,929,348.35 × 433,182.08 - Step 4: Simplify right side
1,286,181.74x = 835,759,131,297.57 - Step 5: Solve for x
x = 835,759,131,297.57/1,286,181.74 - Step 6: Final answer
x = 649,798.63
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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.