Home / 486,896.07-671,942.16-293,364.57

Finding the Fourth Proportional to 486,896.07, 671,942.16 and 293,364.57

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Solution

The fourth proportional to 486,896.07, 671,942.16 and 293,364.57 is: 404,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,896.07 : 671,942.16 = 293,364.57 : x
  2. Step 2: Convert to fraction form
    486,896.07/671,942.16 = 293,364.57/x
  3. Step 3: Cross multiply
    486,896.07x = 671,942.16 × 293,364.57
  4. Step 4: Simplify right side
    486,896.07x = 197,124,022,833.27
  5. Step 5: Solve for x
    x = 197,124,022,833.27/486,896.07
  6. Step 6: Final answer
    x = 404,858.52

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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.