Home / 995,920.40-1,491,912.30-545,835.80

Finding the Fourth Proportional to 995,920.40, 1,491,912.30 and 545,835.80

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Solution

The fourth proportional to 995,920.40, 1,491,912.30 and 545,835.80 is: 817,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,920.40 : 1,491,912.30 = 545,835.80 : x
  2. Step 2: Convert to fraction form
    995,920.40/1,491,912.30 = 545,835.80/x
  3. Step 3: Cross multiply
    995,920.40x = 1,491,912.30 × 545,835.80
  4. Step 4: Simplify right side
    995,920.40x = 814,339,143,800.34
  5. Step 5: Solve for x
    x = 814,339,143,800.34/995,920.40
  6. Step 6: Final answer
    x = 817,674.93

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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.