Home / 995,511.80-1,493,267.70-285,611.60

Finding the Fourth Proportional to 995,511.80, 1,493,267.70 and 285,611.60

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Solution

The fourth proportional to 995,511.80, 1,493,267.70 and 285,611.60 is: 428,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,511.80 : 1,493,267.70 = 285,611.60 : x
  2. Step 2: Convert to fraction form
    995,511.80/1,493,267.70 = 285,611.60/x
  3. Step 3: Cross multiply
    995,511.80x = 1,493,267.70 × 285,611.60
  4. Step 4: Simplify right side
    995,511.80x = 426,494,577,025.32
  5. Step 5: Solve for x
    x = 426,494,577,025.32/995,511.80
  6. Step 6: Final answer
    x = 428,417.40

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Double scale
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Similar ratio
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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.