Home / 951,712.96-1,313,401.68-522,008.80

Finding the Fourth Proportional to 951,712.96, 1,313,401.68 and 522,008.80

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Solution

The fourth proportional to 951,712.96, 1,313,401.68 and 522,008.80 is: 720,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,712.96 : 1,313,401.68 = 522,008.80 : x
  2. Step 2: Convert to fraction form
    951,712.96/1,313,401.68 = 522,008.80/x
  3. Step 3: Cross multiply
    951,712.96x = 1,313,401.68 × 522,008.80
  4. Step 4: Simplify right side
    951,712.96x = 685,607,234,894.78
  5. Step 5: Solve for x
    x = 685,607,234,894.78/951,712.96
  6. Step 6: Final answer
    x = 720,392.87

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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.