Finding the Fourth Proportional to 792,882.13, 1,094,177.90 and 430,305.91
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Solution
The fourth proportional to 792,882.13, 1,094,177.90 and 430,305.91 is: 593,822.46
Step by Step Solution
- Step 1: Write the proportion equation
792,882.13 : 1,094,177.90 = 430,305.91 : x - Step 2: Convert to fraction form
792,882.13/1,094,177.90 = 430,305.91/x - Step 3: Cross multiply
792,882.13x = 1,094,177.90 × 430,305.91 - Step 4: Simplify right side
792,882.13x = 470,831,216,961.39 - Step 5: Solve for x
x = 470,831,216,961.39/792,882.13 - Step 6: Final answer
x = 593,822.46
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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.