Home / 927,775.20-1,392,181.20-395,205.60

Finding the Fourth Proportional to 927,775.20, 1,392,181.20 and 395,205.60

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Solution

The fourth proportional to 927,775.20, 1,392,181.20 and 395,205.60 is: 593,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,775.20 : 1,392,181.20 = 395,205.60 : x
  2. Step 2: Convert to fraction form
    927,775.20/1,392,181.20 = 395,205.60/x
  3. Step 3: Cross multiply
    927,775.20x = 1,392,181.20 × 395,205.60
  4. Step 4: Simplify right side
    927,775.20x = 550,197,806,454.72
  5. Step 5: Solve for x
    x = 550,197,806,454.72/927,775.20
  6. Step 6: Final answer
    x = 593,029.22

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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.