Home / 928,164.20-1,392,246.30-297,098.60

Finding the Fourth Proportional to 928,164.20, 1,392,246.30 and 297,098.60

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Solution

The fourth proportional to 928,164.20, 1,392,246.30 and 297,098.60 is: 445,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,164.20 : 1,392,246.30 = 297,098.60 : x
  2. Step 2: Convert to fraction form
    928,164.20/1,392,246.30 = 297,098.60/x
  3. Step 3: Cross multiply
    928,164.20x = 1,392,246.30 × 297,098.60
  4. Step 4: Simplify right side
    928,164.20x = 413,634,426,585.18
  5. Step 5: Solve for x
    x = 413,634,426,585.18/928,164.20
  6. Step 6: Final answer
    x = 445,647.90

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Double scale
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Similar ratio
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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.