Home / 1,298,593.53-1,792,024.69-725,638.41

Finding the Fourth Proportional to 1,298,593.53, 1,792,024.69 and 725,638.41

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Solution

The fourth proportional to 1,298,593.53, 1,792,024.69 and 725,638.41 is: 1,001,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,593.53 : 1,792,024.69 = 725,638.41 : x
  2. Step 2: Convert to fraction form
    1,298,593.53/1,792,024.69 = 725,638.41/x
  3. Step 3: Cross multiply
    1,298,593.53x = 1,792,024.69 × 725,638.41
  4. Step 4: Simplify right side
    1,298,593.53x = 1,300,361,946,732.34
  5. Step 5: Solve for x
    x = 1,300,361,946,732.34/1,298,593.53
  6. Step 6: Final answer
    x = 1,001,361.79

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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.