Home / 835,346.60-1,253,019.90-204,266.60

Finding the Fourth Proportional to 835,346.60, 1,253,019.90 and 204,266.60

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Solution

The fourth proportional to 835,346.60, 1,253,019.90 and 204,266.60 is: 306,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,346.60 : 1,253,019.90 = 204,266.60 : x
  2. Step 2: Convert to fraction form
    835,346.60/1,253,019.90 = 204,266.60/x
  3. Step 3: Cross multiply
    835,346.60x = 1,253,019.90 × 204,266.60
  4. Step 4: Simplify right side
    835,346.60x = 255,950,114,705.34
  5. Step 5: Solve for x
    x = 255,950,114,705.34/835,346.60
  6. Step 6: Final answer
    x = 306,399.90

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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.