Home / 1,092,171.80-1,638,257.70-613,874.90

Finding the Fourth Proportional to 1,092,171.80, 1,638,257.70 and 613,874.90

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Solution

The fourth proportional to 1,092,171.80, 1,638,257.70 and 613,874.90 is: 920,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,171.80 : 1,638,257.70 = 613,874.90 : x
  2. Step 2: Convert to fraction form
    1,092,171.80/1,638,257.70 = 613,874.90/x
  3. Step 3: Cross multiply
    1,092,171.80x = 1,638,257.70 × 613,874.90
  4. Step 4: Simplify right side
    1,092,171.80x = 1,005,685,281,761.73
  5. Step 5: Solve for x
    x = 1,005,685,281,761.73/1,092,171.80
  6. Step 6: Final answer
    x = 920,812.35

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1.5x scale

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.