Home / 767,734.13-1,150,667.30-543,159.34

Finding the Fourth Proportional to 767,734.13, 1,150,667.30 and 543,159.34

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Solution

The fourth proportional to 767,734.13, 1,150,667.30 and 543,159.34 is: 814,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,734.13 : 1,150,667.30 = 543,159.34 : x
  2. Step 2: Convert to fraction form
    767,734.13/1,150,667.30 = 543,159.34/x
  3. Step 3: Cross multiply
    767,734.13x = 1,150,667.30 × 543,159.34
  4. Step 4: Simplify right side
    767,734.13x = 624,995,689,708.81
  5. Step 5: Solve for x
    x = 624,995,689,708.81/767,734.13
  6. Step 6: Final answer
    x = 814,078.29

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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.