Finding the Fourth Proportional to 1,411,507.08, 2,116,070.38 and 612,186.58
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Solution
The fourth proportional to 1,411,507.08, 2,116,070.38 and 612,186.58 is: 917,763.65
Step by Step Solution
- Step 1: Write the proportion equation
1,411,507.08 : 2,116,070.38 = 612,186.58 : x - Step 2: Convert to fraction form
1,411,507.08/2,116,070.38 = 612,186.58/x - Step 3: Cross multiply
1,411,507.08x = 2,116,070.38 × 612,186.58 - Step 4: Simplify right side
1,411,507.08x = 1,295,429,888,414.19 - Step 5: Solve for x
x = 1,295,429,888,414.19/1,411,507.08 - Step 6: Final answer
x = 917,763.65
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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.