Home / 1,333,763.34-1,840,593.20-721,915.94

Finding the Fourth Proportional to 1,333,763.34, 1,840,593.20 and 721,915.94

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Solution

The fourth proportional to 1,333,763.34, 1,840,593.20 and 721,915.94 is: 996,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,763.34 : 1,840,593.20 = 721,915.94 : x
  2. Step 2: Convert to fraction form
    1,333,763.34/1,840,593.20 = 721,915.94/x
  3. Step 3: Cross multiply
    1,333,763.34x = 1,840,593.20 × 721,915.94
  4. Step 4: Simplify right side
    1,333,763.34x = 1,328,753,557,323.06
  5. Step 5: Solve for x
    x = 1,328,753,557,323.06/1,333,763.34
  6. Step 6: Final answer
    x = 996,243.87

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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.