Finding the Fourth Proportional to 1,712,503.75, 2,566,898.79 and 857,514.21
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Solution
The fourth proportional to 1,712,503.75, 2,566,898.79 and 857,514.21 is: 1,285,341.53
Step by Step Solution
- Step 1: Write the proportion equation
1,712,503.75 : 2,566,898.79 = 857,514.21 : x - Step 2: Convert to fraction form
1,712,503.75/2,566,898.79 = 857,514.21/x - Step 3: Cross multiply
1,712,503.75x = 2,566,898.79 × 857,514.21 - Step 4: Simplify right side
1,712,503.75x = 2,201,152,188,056.81 - Step 5: Solve for x
x = 2,201,152,188,056.81/1,712,503.75 - Step 6: Final answer
x = 1,285,341.53
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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.