Home / 764,744.56-1,147,116.72-364,170.84

Finding the Fourth Proportional to 764,744.56, 1,147,116.72 and 364,170.84

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Solution

The fourth proportional to 764,744.56, 1,147,116.72 and 364,170.84 is: 546,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,744.56 : 1,147,116.72 = 364,170.84 : x
  2. Step 2: Convert to fraction form
    764,744.56/1,147,116.72 = 364,170.84/x
  3. Step 3: Cross multiply
    764,744.56x = 1,147,116.72 × 364,170.84
  4. Step 4: Simplify right side
    764,744.56x = 417,746,459,500.45
  5. Step 5: Solve for x
    x = 417,746,459,500.45/764,744.56
  6. Step 6: Final answer
    x = 546,256.20

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Double scale
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Similar ratio
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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.