Home / 996,585.40-1,491,378.90-681,657.40

Finding the Fourth Proportional to 996,585.40, 1,491,378.90 and 681,657.40

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Solution

The fourth proportional to 996,585.40, 1,491,378.90 and 681,657.40 is: 1,020,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,585.40 : 1,491,378.90 = 681,657.40 : x
  2. Step 2: Convert to fraction form
    996,585.40/1,491,378.90 = 681,657.40/x
  3. Step 3: Cross multiply
    996,585.40x = 1,491,378.90 × 681,657.40
  4. Step 4: Simplify right side
    996,585.40x = 1,016,609,463,388.86
  5. Step 5: Solve for x
    x = 1,016,609,463,388.86/996,585.40
  6. Step 6: Final answer
    x = 1,020,092.67

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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.