Finding the Fourth Proportional to 1,115,514.04, 1,539,419.16 and 606,216.40
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Solution
The fourth proportional to 1,115,514.04, 1,539,419.16 and 606,216.40 is: 836,583.95
Step by Step Solution
- Step 1: Write the proportion equation
1,115,514.04 : 1,539,419.16 = 606,216.40 : x - Step 2: Convert to fraction form
1,115,514.04/1,539,419.16 = 606,216.40/x - Step 3: Cross multiply
1,115,514.04x = 1,539,419.16 × 606,216.40 - Step 4: Simplify right side
1,115,514.04x = 933,221,141,266.22 - Step 5: Solve for x
x = 933,221,141,266.22/1,115,514.04 - Step 6: Final answer
x = 836,583.95
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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.