Home / 541,999.26-747,939.14-312,566.21

Finding the Fourth Proportional to 541,999.26, 747,939.14 and 312,566.21

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Solution

The fourth proportional to 541,999.26, 747,939.14 and 312,566.21 is: 431,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,999.26 : 747,939.14 = 312,566.21 : x
  2. Step 2: Convert to fraction form
    541,999.26/747,939.14 = 312,566.21/x
  3. Step 3: Cross multiply
    541,999.26x = 747,939.14 × 312,566.21
  4. Step 4: Simplify right side
    541,999.26x = 233,780,501,453.65
  5. Step 5: Solve for x
    x = 233,780,501,453.65/541,999.26
  6. Step 6: Final answer
    x = 431,329.93

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1.5x scale

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.