Home / 654,723.63-982,126.95-205,462.21

Finding the Fourth Proportional to 654,723.63, 982,126.95 and 205,462.21

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Solution

The fourth proportional to 654,723.63, 982,126.95 and 205,462.21 is: 308,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,723.63 : 982,126.95 = 205,462.21 : x
  2. Step 2: Convert to fraction form
    654,723.63/982,126.95 = 205,462.21/x
  3. Step 3: Cross multiply
    654,723.63x = 982,126.95 × 205,462.21
  4. Step 4: Simplify right side
    654,723.63x = 201,789,973,647.56
  5. Step 5: Solve for x
    x = 201,789,973,647.56/654,723.63
  6. Step 6: Final answer
    x = 308,206.34

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1.5x scale

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.