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Finding the Fourth Proportional to 957,659.40, 1,436,489.10 and 803,694.60

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Solution

The fourth proportional to 957,659.40, 1,436,489.10 and 803,694.60 is: 1,205,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,659.40 : 1,436,489.10 = 803,694.60 : x
  2. Step 2: Convert to fraction form
    957,659.40/1,436,489.10 = 803,694.60/x
  3. Step 3: Cross multiply
    957,659.40x = 1,436,489.10 × 803,694.60
  4. Step 4: Simplify right side
    957,659.40x = 1,154,498,532,628.86
  5. Step 5: Solve for x
    x = 1,154,498,532,628.86/957,659.40
  6. Step 6: Final answer
    x = 1,205,541.90

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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.