Home / 764,875.45-1,147,477.20-232,450.30

Finding the Fourth Proportional to 764,875.45, 1,147,477.20 and 232,450.30

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Solution

The fourth proportional to 764,875.45, 1,147,477.20 and 232,450.30 is: 348,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,875.45 : 1,147,477.20 = 232,450.30 : x
  2. Step 2: Convert to fraction form
    764,875.45/1,147,477.20 = 232,450.30/x
  3. Step 3: Cross multiply
    764,875.45x = 1,147,477.20 × 232,450.30
  4. Step 4: Simplify right side
    764,875.45x = 266,731,419,383.16
  5. Step 5: Solve for x
    x = 266,731,419,383.16/764,875.45
  6. Step 6: Final answer
    x = 348,725.30

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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.