Home / 679,251.19-938,188.75-495,198.29

Finding the Fourth Proportional to 679,251.19, 938,188.75 and 495,198.29

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Solution

The fourth proportional to 679,251.19, 938,188.75 and 495,198.29 is: 683,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,251.19 : 938,188.75 = 495,198.29 : x
  2. Step 2: Convert to fraction form
    679,251.19/938,188.75 = 495,198.29/x
  3. Step 3: Cross multiply
    679,251.19x = 938,188.75 × 495,198.29
  4. Step 4: Simplify right side
    679,251.19x = 464,589,458,768.30
  5. Step 5: Solve for x
    x = 464,589,458,768.30/679,251.19
  6. Step 6: Final answer
    x = 683,972.98

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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.