Home / 542,563.44-748,739.16-300,863.04

Finding the Fourth Proportional to 542,563.44, 748,739.16 and 300,863.04

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Solution

The fourth proportional to 542,563.44, 748,739.16 and 300,863.04 is: 415,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,563.44 : 748,739.16 = 300,863.04 : x
  2. Step 2: Convert to fraction form
    542,563.44/748,739.16 = 300,863.04/x
  3. Step 3: Cross multiply
    542,563.44x = 748,739.16 × 300,863.04
  4. Step 4: Simplify right side
    542,563.44x = 225,267,939,844.65
  5. Step 5: Solve for x
    x = 225,267,939,844.65/542,563.44
  6. Step 6: Final answer
    x = 415,191.89

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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.