Home / 811,541.80-1,214,979.90-496,613.80

Finding the Fourth Proportional to 811,541.80, 1,214,979.90 and 496,613.80

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Solution

The fourth proportional to 811,541.80, 1,214,979.90 and 496,613.80 is: 743,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,541.80 : 1,214,979.90 = 496,613.80 : x
  2. Step 2: Convert to fraction form
    811,541.80/1,214,979.90 = 496,613.80/x
  3. Step 3: Cross multiply
    811,541.80x = 1,214,979.90 × 496,613.80
  4. Step 4: Simplify right side
    811,541.80x = 603,375,785,062.62
  5. Step 5: Solve for x
    x = 603,375,785,062.62/811,541.80
  6. Step 6: Final answer
    x = 743,493.17

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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.