Finding the Fourth Proportional to 935,949.64, 1,291,610.80 and 528,137.96
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Solution
The fourth proportional to 935,949.64, 1,291,610.80 and 528,137.96 is: 728,830.55
Step by Step Solution
- Step 1: Write the proportion equation
935,949.64 : 1,291,610.80 = 528,137.96 : x - Step 2: Convert to fraction form
935,949.64/1,291,610.80 = 528,137.96/x - Step 3: Cross multiply
935,949.64x = 1,291,610.80 × 528,137.96 - Step 4: Simplify right side
935,949.64x = 682,148,693,025.97 - Step 5: Solve for x
x = 682,148,693,025.97/935,949.64 - Step 6: Final answer
x = 728,830.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.