Home / 1,333,762.97-1,840,592.68-721,915.56

Finding the Fourth Proportional to 1,333,762.97, 1,840,592.68 and 721,915.56

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Solution

The fourth proportional to 1,333,762.97, 1,840,592.68 and 721,915.56 is: 996,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,762.97 : 1,840,592.68 = 721,915.56 : x
  2. Step 2: Convert to fraction form
    1,333,762.97/1,840,592.68 = 721,915.56/x
  3. Step 3: Cross multiply
    1,333,762.97x = 1,840,592.68 × 721,915.56
  4. Step 4: Simplify right side
    1,333,762.97x = 1,328,752,493,509.31
  5. Step 5: Solve for x
    x = 1,328,752,493,509.31/1,333,762.97
  6. Step 6: Final answer
    x = 996,243.36

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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.