Finding the Fourth Proportional to 886,812.19, 1,223,805.75 and 484,404.19
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Solution
The fourth proportional to 886,812.19, 1,223,805.75 and 484,404.19 is: 668,480.47
Step by Step Solution
- Step 1: Write the proportion equation
886,812.19 : 1,223,805.75 = 484,404.19 : x - Step 2: Convert to fraction form
886,812.19/1,223,805.75 = 484,404.19/x - Step 3: Cross multiply
886,812.19x = 1,223,805.75 × 484,404.19 - Step 4: Simplify right side
886,812.19x = 592,816,628,170.06 - Step 5: Solve for x
x = 592,816,628,170.06/886,812.19 - Step 6: Final answer
x = 668,480.47
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1.5x scale
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.