Home / 634,516.05-951,778.95-213,785.85

Finding the Fourth Proportional to 634,516.05, 951,778.95 and 213,785.85

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Solution

The fourth proportional to 634,516.05, 951,778.95 and 213,785.85 is: 320,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,516.05 : 951,778.95 = 213,785.85 : x
  2. Step 2: Convert to fraction form
    634,516.05/951,778.95 = 213,785.85/x
  3. Step 3: Cross multiply
    634,516.05x = 951,778.95 × 213,785.85
  4. Step 4: Simplify right side
    634,516.05x = 203,476,871,837.86
  5. Step 5: Solve for x
    x = 203,476,871,837.86/634,516.05
  6. Step 6: Final answer
    x = 320,680.42

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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.