Home / 397,162.50-547,707.06-261,311.73

Finding the Fourth Proportional to 397,162.50, 547,707.06 and 261,311.73

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Solution

The fourth proportional to 397,162.50, 547,707.06 and 261,311.73 is: 360,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,162.50 : 547,707.06 = 261,311.73 : x
  2. Step 2: Convert to fraction form
    397,162.50/547,707.06 = 261,311.73/x
  3. Step 3: Cross multiply
    397,162.50x = 547,707.06 × 261,311.73
  4. Step 4: Simplify right side
    397,162.50x = 143,122,279,381.81
  5. Step 5: Solve for x
    x = 143,122,279,381.81/397,162.50
  6. Step 6: Final answer
    x = 360,362.02

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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.