Home / 675,087.20-1,012,339.20-337,997.60

Finding the Fourth Proportional to 675,087.20, 1,012,339.20 and 337,997.60

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Solution

The fourth proportional to 675,087.20, 1,012,339.20 and 337,997.60 is: 506,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,087.20 : 1,012,339.20 = 337,997.60 : x
  2. Step 2: Convert to fraction form
    675,087.20/1,012,339.20 = 337,997.60/x
  3. Step 3: Cross multiply
    675,087.20x = 1,012,339.20 × 337,997.60
  4. Step 4: Simplify right side
    675,087.20x = 342,168,219,985.92
  5. Step 5: Solve for x
    x = 342,168,219,985.92/675,087.20
  6. Step 6: Final answer
    x = 506,850.40

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Half scale
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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.