Home / 718,519.01-1,077,778.44-403,000.52

Finding the Fourth Proportional to 718,519.01, 1,077,778.44 and 403,000.52

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Solution

The fourth proportional to 718,519.01, 1,077,778.44 and 403,000.52 is: 604,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,519.01 : 1,077,778.44 = 403,000.52 : x
  2. Step 2: Convert to fraction form
    718,519.01/1,077,778.44 = 403,000.52/x
  3. Step 3: Cross multiply
    718,519.01x = 1,077,778.44 × 403,000.52
  4. Step 4: Simplify right side
    718,519.01x = 434,345,266,375.90
  5. Step 5: Solve for x
    x = 434,345,266,375.90/718,519.01
  6. Step 6: Final answer
    x = 604,500.73

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Double scale
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Similar ratio
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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.