Home / 679,252.31-938,190.30-495,199.41

Finding the Fourth Proportional to 679,252.31, 938,190.30 and 495,199.41

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Solution

The fourth proportional to 679,252.31, 938,190.30 and 495,199.41 is: 683,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,252.31 : 938,190.30 = 495,199.41 : x
  2. Step 2: Convert to fraction form
    679,252.31/938,190.30 = 495,199.41/x
  3. Step 3: Cross multiply
    679,252.31x = 938,190.30 × 495,199.41
  4. Step 4: Simplify right side
    679,252.31x = 464,591,283,027.72
  5. Step 5: Solve for x
    x = 464,591,283,027.72/679,252.31
  6. Step 6: Final answer
    x = 683,974.53

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1.5x scale

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.