Home / 928,665.90-1,392,889.41-254,815.34

Finding the Fourth Proportional to 928,665.90, 1,392,889.41 and 254,815.34

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Solution

The fourth proportional to 928,665.90, 1,392,889.41 and 254,815.34 is: 382,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,665.90 : 1,392,889.41 = 254,815.34 : x
  2. Step 2: Convert to fraction form
    928,665.90/1,392,889.41 = 254,815.34/x
  3. Step 3: Cross multiply
    928,665.90x = 1,392,889.41 × 254,815.34
  4. Step 4: Simplify right side
    928,665.90x = 354,929,588,591.55
  5. Step 5: Solve for x
    x = 354,929,588,591.55/928,665.90
  6. Step 6: Final answer
    x = 382,192.98

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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.