Home / 929,498.69-1,394,243.17-505,728.34

Finding the Fourth Proportional to 929,498.69, 1,394,243.17 and 505,728.34

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Solution

The fourth proportional to 929,498.69, 1,394,243.17 and 505,728.34 is: 758,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,498.69 : 1,394,243.17 = 505,728.34 : x
  2. Step 2: Convert to fraction form
    929,498.69/1,394,243.17 = 505,728.34/x
  3. Step 3: Cross multiply
    929,498.69x = 1,394,243.17 × 505,728.34
  4. Step 4: Simplify right side
    929,498.69x = 705,108,283,920.44
  5. Step 5: Solve for x
    x = 705,108,283,920.44/929,498.69
  6. Step 6: Final answer
    x = 758,589.87

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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.