Home / 1,173,973.80-1,761,738.30-668,533.80

Finding the Fourth Proportional to 1,173,973.80, 1,761,738.30 and 668,533.80

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Solution

The fourth proportional to 1,173,973.80, 1,761,738.30 and 668,533.80 is: 1,003,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,973.80 : 1,761,738.30 = 668,533.80 : x
  2. Step 2: Convert to fraction form
    1,173,973.80/1,761,738.30 = 668,533.80/x
  3. Step 3: Cross multiply
    1,173,973.80x = 1,761,738.30 × 668,533.80
  4. Step 4: Simplify right side
    1,173,973.80x = 1,177,781,600,304.54
  5. Step 5: Solve for x
    x = 1,177,781,600,304.54/1,173,973.80
  6. Step 6: Final answer
    x = 1,003,243.51

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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.