Finding the Fourth Proportional to 829,552.28, 1,243,060.68 and 558,678.74
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Solution
The fourth proportional to 829,552.28, 1,243,060.68 and 558,678.74 is: 837,164.32
Step by Step Solution
- Step 1: Write the proportion equation
829,552.28 : 1,243,060.68 = 558,678.74 : x - Step 2: Convert to fraction form
829,552.28/1,243,060.68 = 558,678.74/x - Step 3: Cross multiply
829,552.28x = 1,243,060.68 × 558,678.74 - Step 4: Simplify right side
829,552.28x = 694,471,574,445.94 - Step 5: Solve for x
x = 694,471,574,445.94/829,552.28 - Step 6: Final answer
x = 837,164.32
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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.