Home / 764,475.80-1,147,232.10-497,586.20

Finding the Fourth Proportional to 764,475.80, 1,147,232.10 and 497,586.20

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Solution

The fourth proportional to 764,475.80, 1,147,232.10 and 497,586.20 is: 746,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,475.80 : 1,147,232.10 = 497,586.20 : x
  2. Step 2: Convert to fraction form
    764,475.80/1,147,232.10 = 497,586.20/x
  3. Step 3: Cross multiply
    764,475.80x = 1,147,232.10 × 497,586.20
  4. Step 4: Simplify right side
    764,475.80x = 570,846,861,157.02
  5. Step 5: Solve for x
    x = 570,846,861,157.02/764,475.80
  6. Step 6: Final answer
    x = 746,716.72

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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.