Home / 540,973.75-810,933.31-225,520.87

Finding the Fourth Proportional to 540,973.75, 810,933.31 and 225,520.87

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Solution

The fourth proportional to 540,973.75, 810,933.31 and 225,520.87 is: 338,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,973.75 : 810,933.31 = 225,520.87 : x
  2. Step 2: Convert to fraction form
    540,973.75/810,933.31 = 225,520.87/x
  3. Step 3: Cross multiply
    540,973.75x = 810,933.31 × 225,520.87
  4. Step 4: Simplify right side
    540,973.75x = 182,882,380,400.91
  5. Step 5: Solve for x
    x = 182,882,380,400.91/540,973.75
  6. Step 6: Final answer
    x = 338,061.47

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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.