Home / 1,008,314.43-1,391,455.87-549,432.97

Finding the Fourth Proportional to 1,008,314.43, 1,391,455.87 and 549,432.97

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Solution

The fourth proportional to 1,008,314.43, 1,391,455.87 and 549,432.97 is: 758,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,314.43 : 1,391,455.87 = 549,432.97 : x
  2. Step 2: Convert to fraction form
    1,008,314.43/1,391,455.87 = 549,432.97/x
  3. Step 3: Cross multiply
    1,008,314.43x = 1,391,455.87 × 549,432.97
  4. Step 4: Simplify right side
    1,008,314.43x = 764,511,731,278.03
  5. Step 5: Solve for x
    x = 764,511,731,278.03/1,008,314.43
  6. Step 6: Final answer
    x = 758,207.67

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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.