Home / 526,255.50-789,376.20-126,893.10

Finding the Fourth Proportional to 526,255.50, 789,376.20 and 126,893.10

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Solution

The fourth proportional to 526,255.50, 789,376.20 and 126,893.10 is: 190,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,255.50 : 789,376.20 = 126,893.10 : x
  2. Step 2: Convert to fraction form
    526,255.50/789,376.20 = 126,893.10/x
  3. Step 3: Cross multiply
    526,255.50x = 789,376.20 × 126,893.10
  4. Step 4: Simplify right side
    526,255.50x = 100,166,393,084.22
  5. Step 5: Solve for x
    x = 100,166,393,084.22/526,255.50
  6. Step 6: Final answer
    x = 190,337.95

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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.