Home / 767,947.72-1,150,987.56-543,373

Finding the Fourth Proportional to 767,947.72, 1,150,987.56 and 543,373

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Solution

The fourth proportional to 767,947.72, 1,150,987.56 and 543,373 is: 814,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,947.72 : 1,150,987.56 = 543,373 : x
  2. Step 2: Convert to fraction form
    767,947.72/1,150,987.56 = 543,373/x
  3. Step 3: Cross multiply
    767,947.72x = 1,150,987.56 × 543,373
  4. Step 4: Simplify right side
    767,947.72x = 625,415,563,439.88
  5. Step 5: Solve for x
    x = 625,415,563,439.88/767,947.72
  6. Step 6: Final answer
    x = 814,398.62

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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.