Home / 892,728.69-1,338,600.98-465,197.55

Finding the Fourth Proportional to 892,728.69, 1,338,600.98 and 465,197.55

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Solution

The fourth proportional to 892,728.69, 1,338,600.98 and 465,197.55 is: 697,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,728.69 : 1,338,600.98 = 465,197.55 : x
  2. Step 2: Convert to fraction form
    892,728.69/1,338,600.98 = 465,197.55/x
  3. Step 3: Cross multiply
    892,728.69x = 1,338,600.98 × 465,197.55
  4. Step 4: Simplify right side
    892,728.69x = 622,713,893,997.61
  5. Step 5: Solve for x
    x = 622,713,893,997.61/892,728.69
  6. Step 6: Final answer
    x = 697,539.91

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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.