Home / 764,480.67-1,147,606.85-410,186.67

Finding the Fourth Proportional to 764,480.67, 1,147,606.85 and 410,186.67

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Solution

The fourth proportional to 764,480.67, 1,147,606.85 and 410,186.67 is: 615,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,480.67 : 1,147,606.85 = 410,186.67 : x
  2. Step 2: Convert to fraction form
    764,480.67/1,147,606.85 = 410,186.67/x
  3. Step 3: Cross multiply
    764,480.67x = 1,147,606.85 × 410,186.67
  4. Step 4: Simplify right side
    764,480.67x = 470,733,030,219.76
  5. Step 5: Solve for x
    x = 470,733,030,219.76/764,480.67
  6. Step 6: Final answer
    x = 615,755.31

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Double scale
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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.