Home / 725,924.50-1,001,659.17-419,997.22

Finding the Fourth Proportional to 725,924.50, 1,001,659.17 and 419,997.22

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Solution

The fourth proportional to 725,924.50, 1,001,659.17 and 419,997.22 is: 579,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,924.50 : 1,001,659.17 = 419,997.22 : x
  2. Step 2: Convert to fraction form
    725,924.50/1,001,659.17 = 419,997.22/x
  3. Step 3: Cross multiply
    725,924.50x = 1,001,659.17 × 419,997.22
  4. Step 4: Simplify right side
    725,924.50x = 420,694,066,787.51
  5. Step 5: Solve for x
    x = 420,694,066,787.51/725,924.50
  6. Step 6: Final answer
    x = 579,528.68

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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.