Home / 1,393,716.83-1,924,153.70-877,912.88

Finding the Fourth Proportional to 1,393,716.83, 1,924,153.70 and 877,912.88

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Solution

The fourth proportional to 1,393,716.83, 1,924,153.70 and 877,912.88 is: 1,212,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,716.83 : 1,924,153.70 = 877,912.88 : x
  2. Step 2: Convert to fraction form
    1,393,716.83/1,924,153.70 = 877,912.88/x
  3. Step 3: Cross multiply
    1,393,716.83x = 1,924,153.70 × 877,912.88
  4. Step 4: Simplify right side
    1,393,716.83x = 1,689,239,302,319.32
  5. Step 5: Solve for x
    x = 1,689,239,302,319.32/1,393,716.83
  6. Step 6: Final answer
    x = 1,212,039.11

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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.