Home / 790,092.92-1,090,137.92-479,986.50

Finding the Fourth Proportional to 790,092.92, 1,090,137.92 and 479,986.50

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Solution

The fourth proportional to 790,092.92, 1,090,137.92 and 479,986.50 is: 662,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,092.92 : 1,090,137.92 = 479,986.50 : x
  2. Step 2: Convert to fraction form
    790,092.92/1,090,137.92 = 479,986.50/x
  3. Step 3: Cross multiply
    790,092.92x = 1,090,137.92 × 479,986.50
  4. Step 4: Simplify right side
    790,092.92x = 523,251,484,738.08
  5. Step 5: Solve for x
    x = 523,251,484,738.08/790,092.92
  6. Step 6: Final answer
    x = 662,265.76

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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.