Finding the Fourth Proportional to 1,411,918.68, 1,948,613.58 and 838,959.24
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Solution
The fourth proportional to 1,411,918.68, 1,948,613.58 and 838,959.24 is: 1,157,862.27
Step by Step Solution
- Step 1: Write the proportion equation
1,411,918.68 : 1,948,613.58 = 838,959.24 : x - Step 2: Convert to fraction form
1,411,918.68/1,948,613.58 = 838,959.24/x - Step 3: Cross multiply
1,411,918.68x = 1,948,613.58 × 838,959.24 - Step 4: Simplify right side
1,411,918.68x = 1,634,807,368,130.48 - Step 5: Solve for x
x = 1,634,807,368,130.48/1,411,918.68 - Step 6: Final answer
x = 1,157,862.27
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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.