Home / 791,124.73-1,091,687.24-446,990.49

Finding the Fourth Proportional to 791,124.73, 1,091,687.24 and 446,990.49

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Solution

The fourth proportional to 791,124.73, 1,091,687.24 and 446,990.49 is: 616,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,124.73 : 1,091,687.24 = 446,990.49 : x
  2. Step 2: Convert to fraction form
    791,124.73/1,091,687.24 = 446,990.49/x
  3. Step 3: Cross multiply
    791,124.73x = 1,091,687.24 × 446,990.49
  4. Step 4: Simplify right side
    791,124.73x = 487,973,815,451.82
  5. Step 5: Solve for x
    x = 487,973,815,451.82/791,124.73
  6. Step 6: Final answer
    x = 616,810.22

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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.