Finding the Fourth Proportional to 1,287,836.64, 1,777,125.62 and 714,831.68
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Solution
The fourth proportional to 1,287,836.64, 1,777,125.62 and 714,831.68 is: 986,418.35
Step by Step Solution
- Step 1: Write the proportion equation
1,287,836.64 : 1,777,125.62 = 714,831.68 : x - Step 2: Convert to fraction form
1,287,836.64/1,777,125.62 = 714,831.68/x - Step 3: Cross multiply
1,287,836.64x = 1,777,125.62 × 714,831.68 - Step 4: Simplify right side
1,287,836.64x = 1,270,345,692,515.64 - Step 5: Solve for x
x = 1,270,345,692,515.64/1,287,836.64 - Step 6: Final answer
x = 986,418.35
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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.