Home / 863,449.57-1,295,177.59-264,408.40

Finding the Fourth Proportional to 863,449.57, 1,295,177.59 and 264,408.40

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Solution

The fourth proportional to 863,449.57, 1,295,177.59 and 264,408.40 is: 396,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,449.57 : 1,295,177.59 = 264,408.40 : x
  2. Step 2: Convert to fraction form
    863,449.57/1,295,177.59 = 264,408.40/x
  3. Step 3: Cross multiply
    863,449.57x = 1,295,177.59 × 264,408.40
  4. Step 4: Simplify right side
    863,449.57x = 342,455,827,811.87
  5. Step 5: Solve for x
    x = 342,455,827,811.87/863,449.57
  6. Step 6: Final answer
    x = 396,613.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.