Home / 764,168.90-1,146,183.06-258,672.10

Finding the Fourth Proportional to 764,168.90, 1,146,183.06 and 258,672.10

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Solution

The fourth proportional to 764,168.90, 1,146,183.06 and 258,672.10 is: 387,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,168.90 : 1,146,183.06 = 258,672.10 : x
  2. Step 2: Convert to fraction form
    764,168.90/1,146,183.06 = 258,672.10/x
  3. Step 3: Cross multiply
    764,168.90x = 1,146,183.06 × 258,672.10
  4. Step 4: Simplify right side
    764,168.90x = 296,485,579,114.63
  5. Step 5: Solve for x
    x = 296,485,579,114.63/764,168.90
  6. Step 6: Final answer
    x = 387,984.36

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Double scale
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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.