Home / 654,723.50-982,126.77-205,462.08

Finding the Fourth Proportional to 654,723.50, 982,126.77 and 205,462.08

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Solution

The fourth proportional to 654,723.50, 982,126.77 and 205,462.08 is: 308,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,723.50 : 982,126.77 = 205,462.08 : x
  2. Step 2: Convert to fraction form
    654,723.50/982,126.77 = 205,462.08/x
  3. Step 3: Cross multiply
    654,723.50x = 982,126.77 × 205,462.08
  4. Step 4: Simplify right side
    654,723.50x = 201,789,808,987.88
  5. Step 5: Solve for x
    x = 201,789,808,987.88/654,723.50
  6. Step 6: Final answer
    x = 308,206.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.