Finding the Fourth Proportional to 935,828.54, 1,291,455.94 and 527,929.12
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Solution
The fourth proportional to 935,828.54, 1,291,455.94 and 527,929.12 is: 728,549.27
Step by Step Solution
- Step 1: Write the proportion equation
935,828.54 : 1,291,455.94 = 527,929.12 : x - Step 2: Convert to fraction form
935,828.54/1,291,455.94 = 527,929.12/x - Step 3: Cross multiply
935,828.54x = 1,291,455.94 × 527,929.12 - Step 4: Simplify right side
935,828.54x = 681,797,197,922.97 - Step 5: Solve for x
x = 681,797,197,922.97/935,828.54 - Step 6: Final answer
x = 728,549.27
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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.