Home / 951,917.74-1,428,250.43-419,064.91

Finding the Fourth Proportional to 951,917.74, 1,428,250.43 and 419,064.91

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Solution

The fourth proportional to 951,917.74, 1,428,250.43 and 419,064.91 is: 628,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,917.74 : 1,428,250.43 = 419,064.91 : x
  2. Step 2: Convert to fraction form
    951,917.74/1,428,250.43 = 419,064.91/x
  3. Step 3: Cross multiply
    951,917.74x = 1,428,250.43 × 419,064.91
  4. Step 4: Simplify right side
    951,917.74x = 598,529,637,905.41
  5. Step 5: Solve for x
    x = 598,529,637,905.41/951,917.74
  6. Step 6: Final answer
    x = 628,761.93

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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.