Home / 1,393,716.32-1,924,153.01-877,912.37

Finding the Fourth Proportional to 1,393,716.32, 1,924,153.01 and 877,912.37

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Solution

The fourth proportional to 1,393,716.32, 1,924,153.01 and 877,912.37 is: 1,212,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,716.32 : 1,924,153.01 = 877,912.37 : x
  2. Step 2: Convert to fraction form
    1,393,716.32/1,924,153.01 = 877,912.37/x
  3. Step 3: Cross multiply
    1,393,716.32x = 1,924,153.01 × 877,912.37
  4. Step 4: Simplify right side
    1,393,716.32x = 1,689,237,729,251.73
  5. Step 5: Solve for x
    x = 1,689,237,729,251.73/1,393,716.32
  6. Step 6: Final answer
    x = 1,212,038.42

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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.