Home / 1,213,379.96-1,674,451.19-669,538.67

Finding the Fourth Proportional to 1,213,379.96, 1,674,451.19 and 669,538.67

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Solution

The fourth proportional to 1,213,379.96, 1,674,451.19 and 669,538.67 is: 923,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,379.96 : 1,674,451.19 = 669,538.67 : x
  2. Step 2: Convert to fraction form
    1,213,379.96/1,674,451.19 = 669,538.67/x
  3. Step 3: Cross multiply
    1,213,379.96x = 1,674,451.19 × 669,538.67
  4. Step 4: Simplify right side
    1,213,379.96x = 1,121,109,816,034.11
  5. Step 5: Solve for x
    x = 1,121,109,816,034.11/1,213,379.96
  6. Step 6: Final answer
    x = 923,956.10

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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.