Home / 764,482.17-1,147,609.10-410,188.17

Finding the Fourth Proportional to 764,482.17, 1,147,609.10 and 410,188.17

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Solution

The fourth proportional to 764,482.17, 1,147,609.10 and 410,188.17 is: 615,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,482.17 : 1,147,609.10 = 410,188.17 : x
  2. Step 2: Convert to fraction form
    764,482.17/1,147,609.10 = 410,188.17/x
  3. Step 3: Cross multiply
    764,482.17x = 1,147,609.10 × 410,188.17
  4. Step 4: Simplify right side
    764,482.17x = 470,735,674,553.41
  5. Step 5: Solve for x
    x = 470,735,674,553.41/764,482.17
  6. Step 6: Final answer
    x = 615,757.56

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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.