Home / 634,558.40-951,837.60-213,790.40

Finding the Fourth Proportional to 634,558.40, 951,837.60 and 213,790.40

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Solution

The fourth proportional to 634,558.40, 951,837.60 and 213,790.40 is: 320,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,558.40 : 951,837.60 = 213,790.40 : x
  2. Step 2: Convert to fraction form
    634,558.40/951,837.60 = 213,790.40/x
  3. Step 3: Cross multiply
    634,558.40x = 951,837.60 × 213,790.40
  4. Step 4: Simplify right side
    634,558.40x = 203,493,741,239.04
  5. Step 5: Solve for x
    x = 203,493,741,239.04/634,558.40
  6. Step 6: Final answer
    x = 320,685.60

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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.