Home / 654,396.45-982,119.62-338,943.57

Finding the Fourth Proportional to 654,396.45, 982,119.62 and 338,943.57

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Solution

The fourth proportional to 654,396.45, 982,119.62 and 338,943.57 is: 508,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,396.45 : 982,119.62 = 338,943.57 : x
  2. Step 2: Convert to fraction form
    654,396.45/982,119.62 = 338,943.57/x
  3. Step 3: Cross multiply
    654,396.45x = 982,119.62 × 338,943.57
  4. Step 4: Simplify right side
    654,396.45x = 332,883,130,169.84
  5. Step 5: Solve for x
    x = 332,883,130,169.84/654,396.45
  6. Step 6: Final answer
    x = 508,687.25

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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.