Home / 558,072.58-836,188.71-321,614.02

Finding the Fourth Proportional to 558,072.58, 836,188.71 and 321,614.02

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Solution

The fourth proportional to 558,072.58, 836,188.71 and 321,614.02 is: 481,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,072.58 : 836,188.71 = 321,614.02 : x
  2. Step 2: Convert to fraction form
    558,072.58/836,188.71 = 321,614.02/x
  3. Step 3: Cross multiply
    558,072.58x = 836,188.71 × 321,614.02
  4. Step 4: Simplify right side
    558,072.58x = 268,930,012,501.71
  5. Step 5: Solve for x
    x = 268,930,012,501.71/558,072.58
  6. Step 6: Final answer
    x = 481,890.75

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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.