Home / 526,000.20-788,562.90-276,682.20

Finding the Fourth Proportional to 526,000.20, 788,562.90 and 276,682.20

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Solution

The fourth proportional to 526,000.20, 788,562.90 and 276,682.20 is: 414,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,000.20 : 788,562.90 = 276,682.20 : x
  2. Step 2: Convert to fraction form
    526,000.20/788,562.90 = 276,682.20/x
  3. Step 3: Cross multiply
    526,000.20x = 788,562.90 × 276,682.20
  4. Step 4: Simplify right side
    526,000.20x = 218,181,318,010.38
  5. Step 5: Solve for x
    x = 218,181,318,010.38/526,000.20
  6. Step 6: Final answer
    x = 414,793.22

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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.