Finding the Fourth Proportional to 1,134,880.71, 1,566,113.99 and 618,639.36
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Solution
The fourth proportional to 1,134,880.71, 1,566,113.99 and 618,639.36 is: 853,710.65
Step by Step Solution
- Step 1: Write the proportion equation
1,134,880.71 : 1,566,113.99 = 618,639.36 : x - Step 2: Convert to fraction form
1,134,880.71/1,566,113.99 = 618,639.36/x - Step 3: Cross multiply
1,134,880.71x = 1,566,113.99 × 618,639.36 - Step 4: Simplify right side
1,134,880.71x = 968,859,750,974.37 - Step 5: Solve for x
x = 968,859,750,974.37/1,134,880.71 - Step 6: Final answer
x = 853,710.65
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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.