Home / 756,325.75-1,043,751.42-416,815.87

Finding the Fourth Proportional to 756,325.75, 1,043,751.42 and 416,815.87

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Solution

The fourth proportional to 756,325.75, 1,043,751.42 and 416,815.87 is: 575,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,325.75 : 1,043,751.42 = 416,815.87 : x
  2. Step 2: Convert to fraction form
    756,325.75/1,043,751.42 = 416,815.87/x
  3. Step 3: Cross multiply
    756,325.75x = 1,043,751.42 × 416,815.87
  4. Step 4: Simplify right side
    756,325.75x = 435,052,156,191.04
  5. Step 5: Solve for x
    x = 435,052,156,191.04/756,325.75
  6. Step 6: Final answer
    x = 575,217.96

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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.