Home / 791,778.59-1,091,948.95-617,392

Finding the Fourth Proportional to 791,778.59, 1,091,948.95 and 617,392

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Solution

The fourth proportional to 791,778.59, 1,091,948.95 and 617,392 is: 851,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,778.59 : 1,091,948.95 = 617,392 : x
  2. Step 2: Convert to fraction form
    791,778.59/1,091,948.95 = 617,392/x
  3. Step 3: Cross multiply
    791,778.59x = 1,091,948.95 × 617,392
  4. Step 4: Simplify right side
    791,778.59x = 674,160,543,051.44
  5. Step 5: Solve for x
    x = 674,160,543,051.44/791,778.59
  6. Step 6: Final answer
    x = 851,450.84

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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.