Finding the Fourth Proportional to 1,217,864.97, 1,682,260.07 and 934,881.93
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Solution
The fourth proportional to 1,217,864.97, 1,682,260.07 and 934,881.93 is: 1,291,370.21
Step by Step Solution
- Step 1: Write the proportion equation
1,217,864.97 : 1,682,260.07 = 934,881.93 : x - Step 2: Convert to fraction form
1,217,864.97/1,682,260.07 = 934,881.93/x - Step 3: Cross multiply
1,217,864.97x = 1,682,260.07 × 934,881.93 - Step 4: Simplify right side
1,217,864.97x = 1,572,714,536,329.13 - Step 5: Solve for x
x = 1,572,714,536,329.13/1,217,864.97 - Step 6: Final answer
x = 1,291,370.21
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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.