Home / 558,423.15-836,711.33-321,352.35

Finding the Fourth Proportional to 558,423.15, 836,711.33 and 321,352.35

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Solution

The fourth proportional to 558,423.15, 836,711.33 and 321,352.35 is: 481,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,423.15 : 836,711.33 = 321,352.35 : x
  2. Step 2: Convert to fraction form
    558,423.15/836,711.33 = 321,352.35/x
  3. Step 3: Cross multiply
    558,423.15x = 836,711.33 × 321,352.35
  4. Step 4: Simplify right side
    558,423.15x = 268,879,150,560.36
  5. Step 5: Solve for x
    x = 268,879,150,560.36/558,423.15
  6. Step 6: Final answer
    x = 481,497.14

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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.