Finding the Fourth Proportional to 1,623,197.93, 2,239,931.17 and 888,136.29
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Solution
The fourth proportional to 1,623,197.93, 2,239,931.17 and 888,136.29 is: 1,225,583.23
Step by Step Solution
- Step 1: Write the proportion equation
1,623,197.93 : 2,239,931.17 = 888,136.29 : x - Step 2: Convert to fraction form
1,623,197.93/2,239,931.17 = 888,136.29/x - Step 3: Cross multiply
1,623,197.93x = 2,239,931.17 × 888,136.29 - Step 4: Simplify right side
1,623,197.93x = 1,989,364,154,738.48 - Step 5: Solve for x
x = 1,989,364,154,738.48/1,623,197.93 - Step 6: Final answer
x = 1,225,583.23
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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.