Home / 508,983.38-702,636.47-294,081.92

Finding the Fourth Proportional to 508,983.38, 702,636.47 and 294,081.92

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Solution

The fourth proportional to 508,983.38, 702,636.47 and 294,081.92 is: 405,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,983.38 : 702,636.47 = 294,081.92 : x
  2. Step 2: Convert to fraction form
    508,983.38/702,636.47 = 294,081.92/x
  3. Step 3: Cross multiply
    508,983.38x = 702,636.47 × 294,081.92
  4. Step 4: Simplify right side
    508,983.38x = 206,632,682,159.62
  5. Step 5: Solve for x
    x = 206,632,682,159.62/508,983.38
  6. Step 6: Final answer
    x = 405,971.37

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Double scale
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1.5x scale

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.