Home / 534,196.40-800,128.20-323,466.80

Finding the Fourth Proportional to 534,196.40, 800,128.20 and 323,466.80

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Solution

The fourth proportional to 534,196.40, 800,128.20 and 323,466.80 is: 484,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,196.40 : 800,128.20 = 323,466.80 : x
  2. Step 2: Convert to fraction form
    534,196.40/800,128.20 = 323,466.80/x
  3. Step 3: Cross multiply
    534,196.40x = 800,128.20 × 323,466.80
  4. Step 4: Simplify right side
    534,196.40x = 258,814,908,443.76
  5. Step 5: Solve for x
    x = 258,814,908,443.76/534,196.40
  6. Step 6: Final answer
    x = 484,493.92

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1.5x scale

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.