Home / 534,934.81-738,285.66-331,051.43

Finding the Fourth Proportional to 534,934.81, 738,285.66 and 331,051.43

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Solution

The fourth proportional to 534,934.81, 738,285.66 and 331,051.43 is: 456,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,934.81 : 738,285.66 = 331,051.43 : x
  2. Step 2: Convert to fraction form
    534,934.81/738,285.66 = 331,051.43/x
  3. Step 3: Cross multiply
    534,934.81x = 738,285.66 × 331,051.43
  4. Step 4: Simplify right side
    534,934.81x = 244,410,523,491.49
  5. Step 5: Solve for x
    x = 244,410,523,491.49/534,934.81
  6. Step 6: Final answer
    x = 456,897.78

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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.