Home / 515,171.94-769,005.51-477,182.04

Finding the Fourth Proportional to 515,171.94, 769,005.51 and 477,182.04

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Solution

The fourth proportional to 515,171.94, 769,005.51 and 477,182.04 is: 712,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,171.94 : 769,005.51 = 477,182.04 : x
  2. Step 2: Convert to fraction form
    515,171.94/769,005.51 = 477,182.04/x
  3. Step 3: Cross multiply
    515,171.94x = 769,005.51 × 477,182.04
  4. Step 4: Simplify right side
    515,171.94x = 366,955,623,874.55
  5. Step 5: Solve for x
    x = 366,955,623,874.55/515,171.94
  6. Step 6: Final answer
    x = 712,297.38

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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.