Home / 929,374.20-1,392,257.70-544,192.20

Finding the Fourth Proportional to 929,374.20, 1,392,257.70 and 544,192.20

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Solution

The fourth proportional to 929,374.20, 1,392,257.70 and 544,192.20 is: 815,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,374.20 : 1,392,257.70 = 544,192.20 : x
  2. Step 2: Convert to fraction form
    929,374.20/1,392,257.70 = 544,192.20/x
  3. Step 3: Cross multiply
    929,374.20x = 1,392,257.70 × 544,192.20
  4. Step 4: Simplify right side
    929,374.20x = 757,655,780,729.94
  5. Step 5: Solve for x
    x = 757,655,780,729.94/929,374.20
  6. Step 6: Final answer
    x = 815,232.21

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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.