Home / 928,181.20-1,392,271.80-297,158.80

Finding the Fourth Proportional to 928,181.20, 1,392,271.80 and 297,158.80

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Solution

The fourth proportional to 928,181.20, 1,392,271.80 and 297,158.80 is: 445,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,181.20 : 1,392,271.80 = 297,158.80 : x
  2. Step 2: Convert to fraction form
    928,181.20/1,392,271.80 = 297,158.80/x
  3. Step 3: Cross multiply
    928,181.20x = 1,392,271.80 × 297,158.80
  4. Step 4: Simplify right side
    928,181.20x = 413,725,817,361.84
  5. Step 5: Solve for x
    x = 413,725,817,361.84/928,181.20
  6. Step 6: Final answer
    x = 445,738.20

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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.