Home / 381,598.14-526,544.10-220,474.56

Finding the Fourth Proportional to 381,598.14, 526,544.10 and 220,474.56

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Solution

The fourth proportional to 381,598.14, 526,544.10 and 220,474.56 is: 304,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,598.14 : 526,544.10 = 220,474.56 : x
  2. Step 2: Convert to fraction form
    381,598.14/526,544.10 = 220,474.56/x
  3. Step 3: Cross multiply
    381,598.14x = 526,544.10 × 220,474.56
  4. Step 4: Simplify right side
    381,598.14x = 116,089,578,768.10
  5. Step 5: Solve for x
    x = 116,089,578,768.10/381,598.14
  6. Step 6: Final answer
    x = 304,219.46

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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.