Home / 874,102.24-1,206,100.99-486,908.01

Finding the Fourth Proportional to 874,102.24, 1,206,100.99 and 486,908.01

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Solution

The fourth proportional to 874,102.24, 1,206,100.99 and 486,908.01 is: 671,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,102.24 : 1,206,100.99 = 486,908.01 : x
  2. Step 2: Convert to fraction form
    874,102.24/1,206,100.99 = 486,908.01/x
  3. Step 3: Cross multiply
    874,102.24x = 1,206,100.99 × 486,908.01
  4. Step 4: Simplify right side
    874,102.24x = 587,260,230,769.71
  5. Step 5: Solve for x
    x = 587,260,230,769.71/874,102.24
  6. Step 6: Final answer
    x = 671,843.87

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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.