Home / 934,078.88-1,396,000.56-681,890.45

Finding the Fourth Proportional to 934,078.88, 1,396,000.56 and 681,890.45

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Solution

The fourth proportional to 934,078.88, 1,396,000.56 and 681,890.45 is: 1,019,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,078.88 : 1,396,000.56 = 681,890.45 : x
  2. Step 2: Convert to fraction form
    934,078.88/1,396,000.56 = 681,890.45/x
  3. Step 3: Cross multiply
    934,078.88x = 1,396,000.56 × 681,890.45
  4. Step 4: Simplify right side
    934,078.88x = 951,919,445,635.74
  5. Step 5: Solve for x
    x = 951,919,445,635.74/934,078.88
  6. Step 6: Final answer
    x = 1,019,099.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.