Home / 1,031,200.12-1,546,800.18-321,285.52

Finding the Fourth Proportional to 1,031,200.12, 1,546,800.18 and 321,285.52

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Solution

The fourth proportional to 1,031,200.12, 1,546,800.18 and 321,285.52 is: 481,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,200.12 : 1,546,800.18 = 321,285.52 : x
  2. Step 2: Convert to fraction form
    1,031,200.12/1,546,800.18 = 321,285.52/x
  3. Step 3: Cross multiply
    1,031,200.12x = 1,546,800.18 × 321,285.52
  4. Step 4: Simplify right side
    1,031,200.12x = 496,964,500,167.39
  5. Step 5: Solve for x
    x = 496,964,500,167.39/1,031,200.12
  6. Step 6: Final answer
    x = 481,928.28

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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.