Home / 811,754.96-1,217,640.66-362,498.72

Finding the Fourth Proportional to 811,754.96, 1,217,640.66 and 362,498.72

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Solution

The fourth proportional to 811,754.96, 1,217,640.66 and 362,498.72 is: 543,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,754.96 : 1,217,640.66 = 362,498.72 : x
  2. Step 2: Convert to fraction form
    811,754.96/1,217,640.66 = 362,498.72/x
  3. Step 3: Cross multiply
    811,754.96x = 1,217,640.66 × 362,498.72
  4. Step 4: Simplify right side
    811,754.96x = 441,393,180,669.96
  5. Step 5: Solve for x
    x = 441,393,180,669.96/811,754.96
  6. Step 6: Final answer
    x = 543,751.75

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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.