Home / 377,623.92-521,133.78-205,548.12

Finding the Fourth Proportional to 377,623.92, 521,133.78 and 205,548.12

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Solution

The fourth proportional to 377,623.92, 521,133.78 and 205,548.12 is: 283,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,623.92 : 521,133.78 = 205,548.12 : x
  2. Step 2: Convert to fraction form
    377,623.92/521,133.78 = 205,548.12/x
  3. Step 3: Cross multiply
    377,623.92x = 521,133.78 × 205,548.12
  4. Step 4: Simplify right side
    377,623.92x = 107,118,068,747.49
  5. Step 5: Solve for x
    x = 107,118,068,747.49/377,623.92
  6. Step 6: Final answer
    x = 283,663.36

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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.