Home / 838,611.20-1,255,843.20-556,601.60

Finding the Fourth Proportional to 838,611.20, 1,255,843.20 and 556,601.60

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Solution

The fourth proportional to 838,611.20, 1,255,843.20 and 556,601.60 is: 833,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,611.20 : 1,255,843.20 = 556,601.60 : x
  2. Step 2: Convert to fraction form
    838,611.20/1,255,843.20 = 556,601.60/x
  3. Step 3: Cross multiply
    838,611.20x = 1,255,843.20 × 556,601.60
  4. Step 4: Simplify right side
    838,611.20x = 699,004,334,469.12
  5. Step 5: Solve for x
    x = 699,004,334,469.12/838,611.20
  6. Step 6: Final answer
    x = 833,526.11

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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.