Home / 634,515.05-951,777.45-213,784.85

Finding the Fourth Proportional to 634,515.05, 951,777.45 and 213,784.85

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Solution

The fourth proportional to 634,515.05, 951,777.45 and 213,784.85 is: 320,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,515.05 : 951,777.45 = 213,784.85 : x
  2. Step 2: Convert to fraction form
    634,515.05/951,777.45 = 213,784.85/x
  3. Step 3: Cross multiply
    634,515.05x = 951,777.45 × 213,784.85
  4. Step 4: Simplify right side
    634,515.05x = 203,475,594,622.75
  5. Step 5: Solve for x
    x = 203,475,594,622.75/634,515.05
  6. Step 6: Final answer
    x = 320,678.91

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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.