Finding the Fourth Proportional to 1,177,216.76, 1,624,510.14 and 667,947.08
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Solution
The fourth proportional to 1,177,216.76, 1,624,510.14 and 667,947.08 is: 921,739.17
Step by Step Solution
- Step 1: Write the proportion equation
1,177,216.76 : 1,624,510.14 = 667,947.08 : x - Step 2: Convert to fraction form
1,177,216.76/1,624,510.14 = 667,947.08/x - Step 3: Cross multiply
1,177,216.76x = 1,624,510.14 × 667,947.08 - Step 4: Simplify right side
1,177,216.76x = 1,085,086,804,443.39 - Step 5: Solve for x
x = 1,085,086,804,443.39/1,177,216.76 - Step 6: Final answer
x = 921,739.17
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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.