Home / 526,216.62-789,313.92-210,588.78

Finding the Fourth Proportional to 526,216.62, 789,313.92 and 210,588.78

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Solution

The fourth proportional to 526,216.62, 789,313.92 and 210,588.78 is: 315,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,216.62 : 789,313.92 = 210,588.78 : x
  2. Step 2: Convert to fraction form
    526,216.62/789,313.92 = 210,588.78/x
  3. Step 3: Cross multiply
    526,216.62x = 789,313.92 × 210,588.78
  4. Step 4: Simplify right side
    526,216.62x = 166,220,655,449.82
  5. Step 5: Solve for x
    x = 166,220,655,449.82/526,216.62
  6. Step 6: Final answer
    x = 315,878.76

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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.