Home / 621,444.20-932,185.74-200,723.72

Finding the Fourth Proportional to 621,444.20, 932,185.74 and 200,723.72

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Solution

The fourth proportional to 621,444.20, 932,185.74 and 200,723.72 is: 301,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,444.20 : 932,185.74 = 200,723.72 : x
  2. Step 2: Convert to fraction form
    621,444.20/932,185.74 = 200,723.72/x
  3. Step 3: Cross multiply
    621,444.20x = 932,185.74 × 200,723.72
  4. Step 4: Simplify right side
    621,444.20x = 187,111,789,463.75
  5. Step 5: Solve for x
    x = 187,111,789,463.75/621,444.20
  6. Step 6: Final answer
    x = 301,091.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.