Home / 376,331.40-519,343.22-206,581

Finding the Fourth Proportional to 376,331.40, 519,343.22 and 206,581

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Solution

The fourth proportional to 376,331.40, 519,343.22 and 206,581 is: 285,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,331.40 : 519,343.22 = 206,581 : x
  2. Step 2: Convert to fraction form
    376,331.40/519,343.22 = 206,581/x
  3. Step 3: Cross multiply
    376,331.40x = 519,343.22 × 206,581
  4. Step 4: Simplify right side
    376,331.40x = 107,286,441,730.82
  5. Step 5: Solve for x
    x = 107,286,441,730.82/376,331.40
  6. Step 6: Final answer
    x = 285,085.01

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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.