Home / 661,613.92-992,749.20-262,245.92

Finding the Fourth Proportional to 661,613.92, 992,749.20 and 262,245.92

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Solution

The fourth proportional to 661,613.92, 992,749.20 and 262,245.92 is: 393,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,613.92 : 992,749.20 = 262,245.92 : x
  2. Step 2: Convert to fraction form
    661,613.92/992,749.20 = 262,245.92/x
  3. Step 3: Cross multiply
    661,613.92x = 992,749.20 × 262,245.92
  4. Step 4: Simplify right side
    661,613.92x = 260,344,427,283.26
  5. Step 5: Solve for x
    x = 260,344,427,283.26/661,613.92
  6. Step 6: Final answer
    x = 393,499.02

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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.