Home / 1,398,512.03-1,929,400.04-786,524.43

Finding the Fourth Proportional to 1,398,512.03, 1,929,400.04 and 786,524.43

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Solution

The fourth proportional to 1,398,512.03, 1,929,400.04 and 786,524.43 is: 1,085,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,512.03 : 1,929,400.04 = 786,524.43 : x
  2. Step 2: Convert to fraction form
    1,398,512.03/1,929,400.04 = 786,524.43/x
  3. Step 3: Cross multiply
    1,398,512.03x = 1,929,400.04 × 786,524.43
  4. Step 4: Simplify right side
    1,398,512.03x = 1,517,520,262,770.36
  5. Step 5: Solve for x
    x = 1,517,520,262,770.36/1,398,512.03
  6. Step 6: Final answer
    x = 1,085,096.32

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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.