Home / 538,540.98-743,176.80-293,527.86

Finding the Fourth Proportional to 538,540.98, 743,176.80 and 293,527.86

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Solution

The fourth proportional to 538,540.98, 743,176.80 and 293,527.86 is: 405,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,540.98 : 743,176.80 = 293,527.86 : x
  2. Step 2: Convert to fraction form
    538,540.98/743,176.80 = 293,527.86/x
  3. Step 3: Cross multiply
    538,540.98x = 743,176.80 × 293,527.86
  4. Step 4: Simplify right side
    538,540.98x = 218,143,095,705.65
  5. Step 5: Solve for x
    x = 218,143,095,705.65/538,540.98
  6. Step 6: Final answer
    x = 405,063.13

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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.