Home / 785,261.48-1,178,242.14-411,197

Finding the Fourth Proportional to 785,261.48, 1,178,242.14 and 411,197

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Solution

The fourth proportional to 785,261.48, 1,178,242.14 and 411,197 is: 616,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,261.48 : 1,178,242.14 = 411,197 : x
  2. Step 2: Convert to fraction form
    785,261.48/1,178,242.14 = 411,197/x
  3. Step 3: Cross multiply
    785,261.48x = 1,178,242.14 × 411,197
  4. Step 4: Simplify right side
    785,261.48x = 484,489,633,241.58
  5. Step 5: Solve for x
    x = 484,489,633,241.58/785,261.48
  6. Step 6: Final answer
    x = 616,978.73

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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.