Home / 1,229,087.84-1,696,242.24-677,911.52

Finding the Fourth Proportional to 1,229,087.84, 1,696,242.24 and 677,911.52

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Solution

The fourth proportional to 1,229,087.84, 1,696,242.24 and 677,911.52 is: 935,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,087.84 : 1,696,242.24 = 677,911.52 : x
  2. Step 2: Convert to fraction form
    1,229,087.84/1,696,242.24 = 677,911.52/x
  3. Step 3: Cross multiply
    1,229,087.84x = 1,696,242.24 × 677,911.52
  4. Step 4: Simplify right side
    1,229,087.84x = 1,149,902,155,206.60
  5. Step 5: Solve for x
    x = 1,149,902,155,206.60/1,229,087.84
  6. Step 6: Final answer
    x = 935,573.62

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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.