Home / 725,032.82-1,087,659.90-369,853.09

Finding the Fourth Proportional to 725,032.82, 1,087,659.90 and 369,853.09

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Solution

The fourth proportional to 725,032.82, 1,087,659.90 and 369,853.09 is: 554,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,032.82 : 1,087,659.90 = 369,853.09 : x
  2. Step 2: Convert to fraction form
    725,032.82/1,087,659.90 = 369,853.09/x
  3. Step 3: Cross multiply
    725,032.82x = 1,087,659.90 × 369,853.09
  4. Step 4: Simplify right side
    725,032.82x = 402,274,372,164.94
  5. Step 5: Solve for x
    x = 402,274,372,164.94/725,032.82
  6. Step 6: Final answer
    x = 554,836.08

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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.