Finding the Fourth Proportional to 1,177,133.11, 1,624,317.86 and 660,943.73
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Solution
The fourth proportional to 1,177,133.11, 1,624,317.86 and 660,943.73 is: 912,031.70
Step by Step Solution
- Step 1: Write the proportion equation
1,177,133.11 : 1,624,317.86 = 660,943.73 : x - Step 2: Convert to fraction form
1,177,133.11/1,624,317.86 = 660,943.73/x - Step 3: Cross multiply
1,177,133.11x = 1,624,317.86 × 660,943.73 - Step 4: Simplify right side
1,177,133.11x = 1,073,582,710,807.17 - Step 5: Solve for x
x = 1,073,582,710,807.17/1,177,133.11 - Step 6: Final answer
x = 912,031.70
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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.