Finding the Fourth Proportional to 1,189,497.19, 1,641,115.23 and 673,199.80
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Solution
The fourth proportional to 1,189,497.19, 1,641,115.23 and 673,199.80 is: 928,794.50
Step by Step Solution
- Step 1: Write the proportion equation
1,189,497.19 : 1,641,115.23 = 673,199.80 : x - Step 2: Convert to fraction form
1,189,497.19/1,641,115.23 = 673,199.80/x - Step 3: Cross multiply
1,189,497.19x = 1,641,115.23 × 673,199.80 - Step 4: Simplify right side
1,189,497.19x = 1,104,798,444,612.95 - Step 5: Solve for x
x = 1,104,798,444,612.95/1,189,497.19 - Step 6: Final answer
x = 928,794.50
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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.