Finding the Fourth Proportional to 1,688,831.52, 2,534,578.64 and 624,178.05
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Solution
The fourth proportional to 1,688,831.52, 2,534,578.64 and 624,178.05 is: 936,759.14
Step by Step Solution
- Step 1: Write the proportion equation
1,688,831.52 : 2,534,578.64 = 624,178.05 : x - Step 2: Convert to fraction form
1,688,831.52/2,534,578.64 = 624,178.05/x - Step 3: Cross multiply
1,688,831.52x = 2,534,578.64 × 624,178.05 - Step 4: Simplify right side
1,688,831.52x = 1,582,028,360,569.97 - Step 5: Solve for x
x = 1,582,028,360,569.97/1,688,831.52 - Step 6: Final answer
x = 936,759.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.