Finding the Fourth Proportional to 1,470,828.84, 2,029,634.76 and 826,356.48
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Solution
The fourth proportional to 1,470,828.84, 2,029,634.76 and 826,356.48 is: 1,140,310.68
Step by Step Solution
- Step 1: Write the proportion equation
1,470,828.84 : 2,029,634.76 = 826,356.48 : x - Step 2: Convert to fraction form
1,470,828.84/2,029,634.76 = 826,356.48/x - Step 3: Cross multiply
1,470,828.84x = 2,029,634.76 × 826,356.48 - Step 4: Simplify right side
1,470,828.84x = 1,677,201,835,959.25 - Step 5: Solve for x
x = 1,677,201,835,959.25/1,470,828.84 - Step 6: Final answer
x = 1,140,310.68
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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.