Home / 764,147.46-1,054,196.46-477,169.32

Finding the Fourth Proportional to 764,147.46, 1,054,196.46 and 477,169.32

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Solution

The fourth proportional to 764,147.46, 1,054,196.46 and 477,169.32 is: 658,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,147.46 : 1,054,196.46 = 477,169.32 : x
  2. Step 2: Convert to fraction form
    764,147.46/1,054,196.46 = 477,169.32/x
  3. Step 3: Cross multiply
    764,147.46x = 1,054,196.46 × 477,169.32
  4. Step 4: Simplify right side
    764,147.46x = 503,030,207,964.61
  5. Step 5: Solve for x
    x = 503,030,207,964.61/764,147.46
  6. Step 6: Final answer
    x = 658,289.45

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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.