Home / 751,649.50-1,127,354.24-219,045.96

Finding the Fourth Proportional to 751,649.50, 1,127,354.24 and 219,045.96

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Solution

The fourth proportional to 751,649.50, 1,127,354.24 and 219,045.96 is: 328,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,649.50 : 1,127,354.24 = 219,045.96 : x
  2. Step 2: Convert to fraction form
    751,649.50/1,127,354.24 = 219,045.96/x
  3. Step 3: Cross multiply
    751,649.50x = 1,127,354.24 × 219,045.96
  4. Step 4: Simplify right side
    751,649.50x = 246,942,391,760.87
  5. Step 5: Solve for x
    x = 246,942,391,760.87/751,649.50
  6. Step 6: Final answer
    x = 328,533.97

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Double scale
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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.