Finding the Fourth Proportional to 1,174,660.35, 1,640,981.55 and 1,174,660.35
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Solution
The fourth proportional to 1,174,660.35, 1,640,981.55 and 1,174,660.35 is: 1,640,981.55
Step by Step Solution
- Step 1: Write the proportion equation
1,174,660.35 : 1,640,981.55 = 1,174,660.35 : x - Step 2: Convert to fraction form
1,174,660.35/1,640,981.55 = 1,174,660.35/x - Step 3: Cross multiply
1,174,660.35x = 1,640,981.55 × 1,174,660.35 - Step 4: Simplify right side
1,174,660.35x = 1,927,595,961,866.54 - Step 5: Solve for x
x = 1,927,595,961,866.54/1,174,660.35 - Step 6: Final answer
x = 1,640,981.55
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.