Home / 499,525.32-689,344.56-273,170.76

Finding the Fourth Proportional to 499,525.32, 689,344.56 and 273,170.76

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Solution

The fourth proportional to 499,525.32, 689,344.56 and 273,170.76 is: 376,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,525.32 : 689,344.56 = 273,170.76 : x
  2. Step 2: Convert to fraction form
    499,525.32/689,344.56 = 273,170.76/x
  3. Step 3: Cross multiply
    499,525.32x = 689,344.56 × 273,170.76
  4. Step 4: Simplify right side
    499,525.32x = 188,308,777,357.07
  5. Step 5: Solve for x
    x = 188,308,777,357.07/499,525.32
  6. Step 6: Final answer
    x = 376,975.44

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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.