Finding the Fourth Proportional to 1,243,916.19, 1,865,008.53 and 551,106.92
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Solution
The fourth proportional to 1,243,916.19, 1,865,008.53 and 551,106.92 is: 826,276.82
Step by Step Solution
- Step 1: Write the proportion equation
1,243,916.19 : 1,865,008.53 = 551,106.92 : x - Step 2: Convert to fraction form
1,243,916.19/1,865,008.53 = 551,106.92/x - Step 3: Cross multiply
1,243,916.19x = 1,865,008.53 × 551,106.92 - Step 4: Simplify right side
1,243,916.19x = 1,027,819,111,404.55 - Step 5: Solve for x
x = 1,027,819,111,404.55/1,243,916.19 - Step 6: Final answer
x = 826,276.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.