Finding the Fourth Proportional to 1,243,044.91, 1,715,384.74 and 699,181.07
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Solution
The fourth proportional to 1,243,044.91, 1,715,384.74 and 699,181.07 is: 964,860.18
Step by Step Solution
- Step 1: Write the proportion equation
1,243,044.91 : 1,715,384.74 = 699,181.07 : x - Step 2: Convert to fraction form
1,243,044.91/1,715,384.74 = 699,181.07/x - Step 3: Cross multiply
1,243,044.91x = 1,715,384.74 × 699,181.07 - Step 4: Simplify right side
1,243,044.91x = 1,199,364,537,974.87 - Step 5: Solve for x
x = 1,199,364,537,974.87/1,243,044.91 - Step 6: Final answer
x = 964,860.18
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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.