Home / 536,076.18-739,734.21-321,176.34

Finding the Fourth Proportional to 536,076.18, 739,734.21 and 321,176.34

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Solution

The fourth proportional to 536,076.18, 739,734.21 and 321,176.34 is: 443,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,076.18 : 739,734.21 = 321,176.34 : x
  2. Step 2: Convert to fraction form
    536,076.18/739,734.21 = 321,176.34/x
  3. Step 3: Cross multiply
    536,076.18x = 739,734.21 × 321,176.34
  4. Step 4: Simplify right side
    536,076.18x = 237,585,126,140.59
  5. Step 5: Solve for x
    x = 237,585,126,140.59/536,076.18
  6. Step 6: Final answer
    x = 443,192.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.