Home / 663,386.20-995,079.30-242,704.60

Finding the Fourth Proportional to 663,386.20, 995,079.30 and 242,704.60

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Solution

The fourth proportional to 663,386.20, 995,079.30 and 242,704.60 is: 364,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,386.20 : 995,079.30 = 242,704.60 : x
  2. Step 2: Convert to fraction form
    663,386.20/995,079.30 = 242,704.60/x
  3. Step 3: Cross multiply
    663,386.20x = 995,079.30 × 242,704.60
  4. Step 4: Simplify right side
    663,386.20x = 241,510,323,474.78
  5. Step 5: Solve for x
    x = 241,510,323,474.78/663,386.20
  6. Step 6: Final answer
    x = 364,056.90

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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.