Home / 951,574.77-1,313,190.09-521,851.14

Finding the Fourth Proportional to 951,574.77, 1,313,190.09 and 521,851.14

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Solution

The fourth proportional to 951,574.77, 1,313,190.09 and 521,851.14 is: 720,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,574.77 : 1,313,190.09 = 521,851.14 : x
  2. Step 2: Convert to fraction form
    951,574.77/1,313,190.09 = 521,851.14/x
  3. Step 3: Cross multiply
    951,574.77x = 1,313,190.09 × 521,851.14
  4. Step 4: Simplify right side
    951,574.77x = 685,289,745,503.20
  5. Step 5: Solve for x
    x = 685,289,745,503.20/951,574.77
  6. Step 6: Final answer
    x = 720,163.85

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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.