Home / 502,943.29-694,047.90-276,588.79

Finding the Fourth Proportional to 502,943.29, 694,047.90 and 276,588.79

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Solution

The fourth proportional to 502,943.29, 694,047.90 and 276,588.79 is: 381,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,943.29 : 694,047.90 = 276,588.79 : x
  2. Step 2: Convert to fraction form
    502,943.29/694,047.90 = 276,588.79/x
  3. Step 3: Cross multiply
    502,943.29x = 694,047.90 × 276,588.79
  4. Step 4: Simplify right side
    502,943.29x = 191,965,868,863.04
  5. Step 5: Solve for x
    x = 191,965,868,863.04/502,943.29
  6. Step 6: Final answer
    x = 381,684.92

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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.