Home / 376,460.29-519,516.09-206,705.35

Finding the Fourth Proportional to 376,460.29, 519,516.09 and 206,705.35

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Solution

The fourth proportional to 376,460.29, 519,516.09 and 206,705.35 is: 285,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,460.29 : 519,516.09 = 206,705.35 : x
  2. Step 2: Convert to fraction form
    376,460.29/519,516.09 = 206,705.35/x
  3. Step 3: Cross multiply
    376,460.29x = 519,516.09 × 206,705.35
  4. Step 4: Simplify right side
    376,460.29x = 107,386,755,214.08
  5. Step 5: Solve for x
    x = 107,386,755,214.08/376,460.29
  6. Step 6: Final answer
    x = 285,253.87

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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.