Home / 1,393,795.58-1,923,204.75-820,949.81

Finding the Fourth Proportional to 1,393,795.58, 1,923,204.75 and 820,949.81

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Solution

The fourth proportional to 1,393,795.58, 1,923,204.75 and 820,949.81 is: 1,132,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,795.58 : 1,923,204.75 = 820,949.81 : x
  2. Step 2: Convert to fraction form
    1,393,795.58/1,923,204.75 = 820,949.81/x
  3. Step 3: Cross multiply
    1,393,795.58x = 1,923,204.75 × 820,949.81
  4. Step 4: Simplify right side
    1,393,795.58x = 1,578,854,574,103.60
  5. Step 5: Solve for x
    x = 1,578,854,574,103.60/1,393,795.58
  6. Step 6: Final answer
    x = 1,132,773.41

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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.