Home / 764,896.53-1,055,512.29-442,583.76

Finding the Fourth Proportional to 764,896.53, 1,055,512.29 and 442,583.76

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Solution

The fourth proportional to 764,896.53, 1,055,512.29 and 442,583.76 is: 610,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,896.53 : 1,055,512.29 = 442,583.76 : x
  2. Step 2: Convert to fraction form
    764,896.53/1,055,512.29 = 442,583.76/x
  3. Step 3: Cross multiply
    764,896.53x = 1,055,512.29 × 442,583.76
  4. Step 4: Simplify right side
    764,896.53x = 467,152,598,034.41
  5. Step 5: Solve for x
    x = 467,152,598,034.41/764,896.53
  6. Step 6: Final answer
    x = 610,739.60

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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.