Home / 864,135.48-1,192,506.66-482,162.16

Finding the Fourth Proportional to 864,135.48, 1,192,506.66 and 482,162.16

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Solution

The fourth proportional to 864,135.48, 1,192,506.66 and 482,162.16 is: 665,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,135.48 : 1,192,506.66 = 482,162.16 : x
  2. Step 2: Convert to fraction form
    864,135.48/1,192,506.66 = 482,162.16/x
  3. Step 3: Cross multiply
    864,135.48x = 1,192,506.66 × 482,162.16
  4. Step 4: Simplify right side
    864,135.48x = 574,981,586,999.99
  5. Step 5: Solve for x
    x = 574,981,586,999.99/864,135.48
  6. Step 6: Final answer
    x = 665,383.61

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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.