Finding the Fourth Proportional to 1,238,208.14, 1,709,090.08 and 808,554.98
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Solution
The fourth proportional to 1,238,208.14, 1,709,090.08 and 808,554.98 is: 1,116,042.81
Step by Step Solution
- Step 1: Write the proportion equation
1,238,208.14 : 1,709,090.08 = 808,554.98 : x - Step 2: Convert to fraction form
1,238,208.14/1,709,090.08 = 808,554.98/x - Step 3: Cross multiply
1,238,208.14x = 1,709,090.08 × 808,554.98 - Step 4: Simplify right side
1,238,208.14x = 1,381,893,295,452.60 - Step 5: Solve for x
x = 1,381,893,295,452.60/1,238,208.14 - Step 6: Final answer
x = 1,116,042.81
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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.