Finding the Fourth Proportional to 827,117.10, 1,241,842.05 and 512,189.10
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Solution
The fourth proportional to 827,117.10, 1,241,842.05 and 512,189.10 is: 769,005.94
Step by Step Solution
- Step 1: Write the proportion equation
827,117.10 : 1,241,842.05 = 512,189.10 : x - Step 2: Convert to fraction form
827,117.10/1,241,842.05 = 512,189.10/x - Step 3: Cross multiply
827,117.10x = 1,241,842.05 × 512,189.10 - Step 4: Simplify right side
827,117.10x = 636,057,961,931.66 - Step 5: Solve for x
x = 636,057,961,931.66/827,117.10 - Step 6: Final answer
x = 769,005.94
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1.5x scale
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.