Home / 1,100,604.96-1,650,630.24-426,454.56

Finding the Fourth Proportional to 1,100,604.96, 1,650,630.24 and 426,454.56

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Solution

The fourth proportional to 1,100,604.96, 1,650,630.24 and 426,454.56 is: 639,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,604.96 : 1,650,630.24 = 426,454.56 : x
  2. Step 2: Convert to fraction form
    1,100,604.96/1,650,630.24 = 426,454.56/x
  3. Step 3: Cross multiply
    1,100,604.96x = 1,650,630.24 × 426,454.56
  4. Step 4: Simplify right side
    1,100,604.96x = 703,918,792,721.89
  5. Step 5: Solve for x
    x = 703,918,792,721.89/1,100,604.96
  6. Step 6: Final answer
    x = 639,574.43

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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.