Home / 957,956.40-1,436,934.60-720,010.80

Finding the Fourth Proportional to 957,956.40, 1,436,934.60 and 720,010.80

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Solution

The fourth proportional to 957,956.40, 1,436,934.60 and 720,010.80 is: 1,080,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,956.40 : 1,436,934.60 = 720,010.80 : x
  2. Step 2: Convert to fraction form
    957,956.40/1,436,934.60 = 720,010.80/x
  3. Step 3: Cross multiply
    957,956.40x = 1,436,934.60 × 720,010.80
  4. Step 4: Simplify right side
    957,956.40x = 1,034,608,430,893.68
  5. Step 5: Solve for x
    x = 1,034,608,430,893.68/957,956.40
  6. Step 6: Final answer
    x = 1,080,016.20

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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.