Home / 927,010.20-1,390,515.30-394,548.60

Finding the Fourth Proportional to 927,010.20, 1,390,515.30 and 394,548.60

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Solution

The fourth proportional to 927,010.20, 1,390,515.30 and 394,548.60 is: 591,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,010.20 : 1,390,515.30 = 394,548.60 : x
  2. Step 2: Convert to fraction form
    927,010.20/1,390,515.30 = 394,548.60/x
  3. Step 3: Cross multiply
    927,010.20x = 1,390,515.30 × 394,548.60
  4. Step 4: Simplify right side
    927,010.20x = 548,625,864,893.58
  5. Step 5: Solve for x
    x = 548,625,864,893.58/927,010.20
  6. Step 6: Final answer
    x = 591,822.90

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1.5x scale

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.