Home / 773,136.20-1,159,704.30-395,222.60

Finding the Fourth Proportional to 773,136.20, 1,159,704.30 and 395,222.60

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Solution

The fourth proportional to 773,136.20, 1,159,704.30 and 395,222.60 is: 592,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,136.20 : 1,159,704.30 = 395,222.60 : x
  2. Step 2: Convert to fraction form
    773,136.20/1,159,704.30 = 395,222.60/x
  3. Step 3: Cross multiply
    773,136.20x = 1,159,704.30 × 395,222.60
  4. Step 4: Simplify right side
    773,136.20x = 458,341,348,677.18
  5. Step 5: Solve for x
    x = 458,341,348,677.18/773,136.20
  6. Step 6: Final answer
    x = 592,833.90

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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.