Home / 543,185.04-749,584.08-301,453.56

Finding the Fourth Proportional to 543,185.04, 749,584.08 and 301,453.56

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Solution

The fourth proportional to 543,185.04, 749,584.08 and 301,453.56 is: 415,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,185.04 : 749,584.08 = 301,453.56 : x
  2. Step 2: Convert to fraction form
    543,185.04/749,584.08 = 301,453.56/x
  3. Step 3: Cross multiply
    543,185.04x = 749,584.08 × 301,453.56
  4. Step 4: Simplify right side
    543,185.04x = 225,964,789,435.33
  5. Step 5: Solve for x
    x = 225,964,789,435.33/543,185.04
  6. Step 6: Final answer
    x = 415,999.66

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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.