Home / 1,331,505.30-1,997,257.95-826,636.35

Finding the Fourth Proportional to 1,331,505.30, 1,997,257.95 and 826,636.35

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Solution

The fourth proportional to 1,331,505.30, 1,997,257.95 and 826,636.35 is: 1,239,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,505.30 : 1,997,257.95 = 826,636.35 : x
  2. Step 2: Convert to fraction form
    1,331,505.30/1,997,257.95 = 826,636.35/x
  3. Step 3: Cross multiply
    1,331,505.30x = 1,997,257.95 × 826,636.35
  4. Step 4: Simplify right side
    1,331,505.30x = 1,651,006,021,796.48
  5. Step 5: Solve for x
    x = 1,651,006,021,796.48/1,331,505.30
  6. Step 6: Final answer
    x = 1,239,954.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.