Home / 1,393,847.66-1,923,706.38-813,262.34

Finding the Fourth Proportional to 1,393,847.66, 1,923,706.38 and 813,262.34

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Solution

The fourth proportional to 1,393,847.66, 1,923,706.38 and 813,262.34 is: 1,122,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,847.66 : 1,923,706.38 = 813,262.34 : x
  2. Step 2: Convert to fraction form
    1,393,847.66/1,923,706.38 = 813,262.34/x
  3. Step 3: Cross multiply
    1,393,847.66x = 1,923,706.38 × 813,262.34
  4. Step 4: Simplify right side
    1,393,847.66x = 1,564,477,952,071.73
  5. Step 5: Solve for x
    x = 1,564,477,952,071.73/1,393,847.66
  6. Step 6: Final answer
    x = 1,122,416.74

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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.