Home / 811,760.96-1,217,649.66-362,504.72

Finding the Fourth Proportional to 811,760.96, 1,217,649.66 and 362,504.72

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Solution

The fourth proportional to 811,760.96, 1,217,649.66 and 362,504.72 is: 543,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,760.96 : 1,217,649.66 = 362,504.72 : x
  2. Step 2: Convert to fraction form
    811,760.96/1,217,649.66 = 362,504.72/x
  3. Step 3: Cross multiply
    811,760.96x = 1,217,649.66 × 362,504.72
  4. Step 4: Simplify right side
    811,760.96x = 441,403,749,056.40
  5. Step 5: Solve for x
    x = 441,403,749,056.40/811,760.96
  6. Step 6: Final answer
    x = 543,760.75

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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.