Home / 329,084.20-493,626.28-79,766.20

Finding the Fourth Proportional to 329,084.20, 493,626.28 and 79,766.20

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Solution

The fourth proportional to 329,084.20, 493,626.28 and 79,766.20 is: 119,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,084.20 : 493,626.28 = 79,766.20 : x
  2. Step 2: Convert to fraction form
    329,084.20/493,626.28 = 79,766.20/x
  3. Step 3: Cross multiply
    329,084.20x = 493,626.28 × 79,766.20
  4. Step 4: Simplify right side
    329,084.20x = 39,374,692,575.74
  5. Step 5: Solve for x
    x = 39,374,692,575.74/329,084.20
  6. Step 6: Final answer
    x = 119,649.30

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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.