Home / 649,234.20-973,851.30-400,056.60

Finding the Fourth Proportional to 649,234.20, 973,851.30 and 400,056.60

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Solution

The fourth proportional to 649,234.20, 973,851.30 and 400,056.60 is: 600,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,234.20 : 973,851.30 = 400,056.60 : x
  2. Step 2: Convert to fraction form
    649,234.20/973,851.30 = 400,056.60/x
  3. Step 3: Cross multiply
    649,234.20x = 973,851.30 × 400,056.60
  4. Step 4: Simplify right side
    649,234.20x = 389,595,639,983.58
  5. Step 5: Solve for x
    x = 389,595,639,983.58/649,234.20
  6. Step 6: Final answer
    x = 600,084.90

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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.