Home / 541,126.30-746,619.78-349,909.60

Finding the Fourth Proportional to 541,126.30, 746,619.78 and 349,909.60

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Solution

The fourth proportional to 541,126.30, 746,619.78 and 349,909.60 is: 482,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,126.30 : 746,619.78 = 349,909.60 : x
  2. Step 2: Convert to fraction form
    541,126.30/746,619.78 = 349,909.60/x
  3. Step 3: Cross multiply
    541,126.30x = 746,619.78 × 349,909.60
  4. Step 4: Simplify right side
    541,126.30x = 261,249,428,571.89
  5. Step 5: Solve for x
    x = 261,249,428,571.89/541,126.30
  6. Step 6: Final answer
    x = 482,788.27

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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.