Home / 928,166.21-1,392,250.40-254,253.30

Finding the Fourth Proportional to 928,166.21, 1,392,250.40 and 254,253.30

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Solution

The fourth proportional to 928,166.21, 1,392,250.40 and 254,253.30 is: 381,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,166.21 : 1,392,250.40 = 254,253.30 : x
  2. Step 2: Convert to fraction form
    928,166.21/1,392,250.40 = 254,253.30/x
  3. Step 3: Cross multiply
    928,166.21x = 1,392,250.40 × 254,253.30
  4. Step 4: Simplify right side
    928,166.21x = 353,984,253,087.56
  5. Step 5: Solve for x
    x = 353,984,253,087.56/928,166.21
  6. Step 6: Final answer
    x = 381,380.24

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Double scale
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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.