Home / 632,811.60-949,217.40-189,579.60

Finding the Fourth Proportional to 632,811.60, 949,217.40 and 189,579.60

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Solution

The fourth proportional to 632,811.60, 949,217.40 and 189,579.60 is: 284,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,811.60 : 949,217.40 = 189,579.60 : x
  2. Step 2: Convert to fraction form
    632,811.60/949,217.40 = 189,579.60/x
  3. Step 3: Cross multiply
    632,811.60x = 949,217.40 × 189,579.60
  4. Step 4: Simplify right side
    632,811.60x = 179,952,255,005.04
  5. Step 5: Solve for x
    x = 179,952,255,005.04/632,811.60
  6. Step 6: Final answer
    x = 284,369.40

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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.