Home / 812,634.58-1,214,010.10-525,989.94

Finding the Fourth Proportional to 812,634.58, 1,214,010.10 and 525,989.94

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Solution

The fourth proportional to 812,634.58, 1,214,010.10 and 525,989.94 is: 785,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,634.58 : 1,214,010.10 = 525,989.94 : x
  2. Step 2: Convert to fraction form
    812,634.58/1,214,010.10 = 525,989.94/x
  3. Step 3: Cross multiply
    812,634.58x = 1,214,010.10 × 525,989.94
  4. Step 4: Simplify right side
    812,634.58x = 638,557,099,658.39
  5. Step 5: Solve for x
    x = 638,557,099,658.39/812,634.58
  6. Step 6: Final answer
    x = 785,786.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.