Home / 756,353.28-1,043,789.40-416,843.40

Finding the Fourth Proportional to 756,353.28, 1,043,789.40 and 416,843.40

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Solution

The fourth proportional to 756,353.28, 1,043,789.40 and 416,843.40 is: 575,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,353.28 : 1,043,789.40 = 416,843.40 : x
  2. Step 2: Convert to fraction form
    756,353.28/1,043,789.40 = 416,843.40/x
  3. Step 3: Cross multiply
    756,353.28x = 1,043,789.40 × 416,843.40
  4. Step 4: Simplify right side
    756,353.28x = 435,096,722,379.96
  5. Step 5: Solve for x
    x = 435,096,722,379.96/756,353.28
  6. Step 6: Final answer
    x = 575,255.95

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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.