Home / 502,939.29-694,042.38-276,584.79

Finding the Fourth Proportional to 502,939.29, 694,042.38 and 276,584.79

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Solution

The fourth proportional to 502,939.29, 694,042.38 and 276,584.79 is: 381,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,939.29 : 694,042.38 = 276,584.79 : x
  2. Step 2: Convert to fraction form
    502,939.29/694,042.38 = 276,584.79/x
  3. Step 3: Cross multiply
    502,939.29x = 694,042.38 × 276,584.79
  4. Step 4: Simplify right side
    502,939.29x = 191,961,565,923.40
  5. Step 5: Solve for x
    x = 191,961,565,923.40/502,939.29
  6. Step 6: Final answer
    x = 381,679.40

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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.