Home / 1,214,489.40-1,820,178.90-932,609.40

Finding the Fourth Proportional to 1,214,489.40, 1,820,178.90 and 932,609.40

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Solution

The fourth proportional to 1,214,489.40, 1,820,178.90 and 932,609.40 is: 1,397,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,489.40 : 1,820,178.90 = 932,609.40 : x
  2. Step 2: Convert to fraction form
    1,214,489.40/1,820,178.90 = 932,609.40/x
  3. Step 3: Cross multiply
    1,214,489.40x = 1,820,178.90 × 932,609.40
  4. Step 4: Simplify right side
    1,214,489.40x = 1,697,515,951,821.66
  5. Step 5: Solve for x
    x = 1,697,515,951,821.66/1,214,489.40
  6. Step 6: Final answer
    x = 1,397,719.86

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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.