Home / 764,738.56-1,147,107.74-364,164.82

Finding the Fourth Proportional to 764,738.56, 1,147,107.74 and 364,164.82

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Solution

The fourth proportional to 764,738.56, 1,147,107.74 and 364,164.82 is: 546,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,738.56 : 1,147,107.74 = 364,164.82 : x
  2. Step 2: Convert to fraction form
    764,738.56/1,147,107.74 = 364,164.82/x
  3. Step 3: Cross multiply
    764,738.56x = 1,147,107.74 × 364,164.82
  4. Step 4: Simplify right side
    764,738.56x = 417,736,283,657.71
  5. Step 5: Solve for x
    x = 417,736,283,657.71/764,738.56
  6. Step 6: Final answer
    x = 546,247.18

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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.