Home / 721,464.27-995,433.87-430,956.96

Finding the Fourth Proportional to 721,464.27, 995,433.87 and 430,956.96

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Solution

The fourth proportional to 721,464.27, 995,433.87 and 430,956.96 is: 594,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,464.27 : 995,433.87 = 430,956.96 : x
  2. Step 2: Convert to fraction form
    721,464.27/995,433.87 = 430,956.96/x
  3. Step 3: Cross multiply
    721,464.27x = 995,433.87 × 430,956.96
  4. Step 4: Simplify right side
    721,464.27x = 428,989,152,379.45
  5. Step 5: Solve for x
    x = 428,989,152,379.45/721,464.27
  6. Step 6: Final answer
    x = 594,609.01

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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.