Home / 1,234,046.80-1,851,199.80-392,402.80

Finding the Fourth Proportional to 1,234,046.80, 1,851,199.80 and 392,402.80

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Solution

The fourth proportional to 1,234,046.80, 1,851,199.80 and 392,402.80 is: 588,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,046.80 : 1,851,199.80 = 392,402.80 : x
  2. Step 2: Convert to fraction form
    1,234,046.80/1,851,199.80 = 392,402.80/x
  3. Step 3: Cross multiply
    1,234,046.80x = 1,851,199.80 × 392,402.80
  4. Step 4: Simplify right side
    1,234,046.80x = 726,415,984,879.44
  5. Step 5: Solve for x
    x = 726,415,984,879.44/1,234,046.80
  6. Step 6: Final answer
    x = 588,645.41

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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.