Home / 756,021.60-1,043,366.40-416,491.20

Finding the Fourth Proportional to 756,021.60, 1,043,366.40 and 416,491.20

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Solution

The fourth proportional to 756,021.60, 1,043,366.40 and 416,491.20 is: 574,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,021.60 : 1,043,366.40 = 416,491.20 : x
  2. Step 2: Convert to fraction form
    756,021.60/1,043,366.40 = 416,491.20/x
  3. Step 3: Cross multiply
    756,021.60x = 1,043,366.40 × 416,491.20
  4. Step 4: Simplify right side
    756,021.60x = 434,552,923,975.68
  5. Step 5: Solve for x
    x = 434,552,923,975.68/756,021.60
  6. Step 6: Final answer
    x = 574,789.03

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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.