Finding the Fourth Proportional to 1,712,738.05, 2,363,580.34 and 927,805.79
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Solution
The fourth proportional to 1,712,738.05, 2,363,580.34 and 927,805.79 is: 1,280,372.99
Step by Step Solution
- Step 1: Write the proportion equation
1,712,738.05 : 2,363,580.34 = 927,805.79 : x - Step 2: Convert to fraction form
1,712,738.05/2,363,580.34 = 927,805.79/x - Step 3: Cross multiply
1,712,738.05x = 2,363,580.34 × 927,805.79 - Step 4: Simplify right side
1,712,738.05x = 2,192,943,528,171.60 - Step 5: Solve for x
x = 2,192,943,528,171.60/1,712,738.05 - Step 6: Final answer
x = 1,280,372.99
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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.