Home / 922,385.21-1,383,845.72-382,542.48

Finding the Fourth Proportional to 922,385.21, 1,383,845.72 and 382,542.48

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Solution

The fourth proportional to 922,385.21, 1,383,845.72 and 382,542.48 is: 573,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,385.21 : 1,383,845.72 = 382,542.48 : x
  2. Step 2: Convert to fraction form
    922,385.21/1,383,845.72 = 382,542.48/x
  3. Step 3: Cross multiply
    922,385.21x = 1,383,845.72 × 382,542.48
  4. Step 4: Simplify right side
    922,385.21x = 529,379,771,753.47
  5. Step 5: Solve for x
    x = 529,379,771,753.47/922,385.21
  6. Step 6: Final answer
    x = 573,924.83

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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.