Finding the Fourth Proportional to 1,347,762.60, 1,859,916.36 and 735,920.70
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Solution
The fourth proportional to 1,347,762.60, 1,859,916.36 and 735,920.70 is: 1,015,572.73
Step by Step Solution
- Step 1: Write the proportion equation
1,347,762.60 : 1,859,916.36 = 735,920.70 : x - Step 2: Convert to fraction form
1,347,762.60/1,859,916.36 = 735,920.70/x - Step 3: Cross multiply
1,347,762.60x = 1,859,916.36 × 735,920.70 - Step 4: Simplify right side
1,347,762.60x = 1,368,750,949,592.65 - Step 5: Solve for x
x = 1,368,750,949,592.65/1,347,762.60 - Step 6: Final answer
x = 1,015,572.73
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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.