Home / 756,366.50-1,043,785.78-416,834.75

Finding the Fourth Proportional to 756,366.50, 1,043,785.78 and 416,834.75

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Solution

The fourth proportional to 756,366.50, 1,043,785.78 and 416,834.75 is: 575,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,366.50 : 1,043,785.78 = 416,834.75 : x
  2. Step 2: Convert to fraction form
    756,366.50/1,043,785.78 = 416,834.75/x
  3. Step 3: Cross multiply
    756,366.50x = 1,043,785.78 × 416,834.75
  4. Step 4: Simplify right side
    756,366.50x = 435,086,184,659.86
  5. Step 5: Solve for x
    x = 435,086,184,659.86/756,366.50
  6. Step 6: Final answer
    x = 575,231.96

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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.