Finding the Fourth Proportional to 1,660,705.17, 2,291,781.35 and 935,564.31
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Solution
The fourth proportional to 1,660,705.17, 2,291,781.35 and 935,564.31 is: 1,291,083.37
Step by Step Solution
- Step 1: Write the proportion equation
1,660,705.17 : 2,291,781.35 = 935,564.31 : x - Step 2: Convert to fraction form
1,660,705.17/2,291,781.35 = 935,564.31/x - Step 3: Cross multiply
1,660,705.17x = 2,291,781.35 × 935,564.31 - Step 4: Simplify right side
1,660,705.17x = 2,144,108,832,705.80 - Step 5: Solve for x
x = 2,144,108,832,705.80/1,660,705.17 - Step 6: Final answer
x = 1,291,083.37
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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.