Home / 896,926.88-1,238,262.77-621,684.73

Finding the Fourth Proportional to 896,926.88, 1,238,262.77 and 621,684.73

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Solution

The fourth proportional to 896,926.88, 1,238,262.77 and 621,684.73 is: 858,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,926.88 : 1,238,262.77 = 621,684.73 : x
  2. Step 2: Convert to fraction form
    896,926.88/1,238,262.77 = 621,684.73/x
  3. Step 3: Cross multiply
    896,926.88x = 1,238,262.77 × 621,684.73
  4. Step 4: Simplify right side
    896,926.88x = 769,809,055,836.50
  5. Step 5: Solve for x
    x = 769,809,055,836.50/896,926.88
  6. Step 6: Final answer
    x = 858,274.04

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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.