Home / 506,834.03-699,432.81-274,260.97

Finding the Fourth Proportional to 506,834.03, 699,432.81 and 274,260.97

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Solution

The fourth proportional to 506,834.03, 699,432.81 and 274,260.97 is: 378,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,834.03 : 699,432.81 = 274,260.97 : x
  2. Step 2: Convert to fraction form
    506,834.03/699,432.81 = 274,260.97/x
  3. Step 3: Cross multiply
    506,834.03x = 699,432.81 × 274,260.97
  4. Step 4: Simplify right side
    506,834.03x = 191,827,119,171.84
  5. Step 5: Solve for x
    x = 191,827,119,171.84/506,834.03
  6. Step 6: Final answer
    x = 378,481.13

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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.