Home / 751,510.20-1,037,123.82-411,992.76

Finding the Fourth Proportional to 751,510.20, 1,037,123.82 and 411,992.76

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Solution

The fourth proportional to 751,510.20, 1,037,123.82 and 411,992.76 is: 568,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,510.20 : 1,037,123.82 = 411,992.76 : x
  2. Step 2: Convert to fraction form
    751,510.20/1,037,123.82 = 411,992.76/x
  3. Step 3: Cross multiply
    751,510.20x = 1,037,123.82 × 411,992.76
  4. Step 4: Simplify right side
    751,510.20x = 427,287,505,063.54
  5. Step 5: Solve for x
    x = 427,287,505,063.54/751,510.20
  6. Step 6: Final answer
    x = 568,571.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.