Home / 634,414.10-951,614.67-213,687.14

Finding the Fourth Proportional to 634,414.10, 951,614.67 and 213,687.14

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Solution

The fourth proportional to 634,414.10, 951,614.67 and 213,687.14 is: 320,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,414.10 : 951,614.67 = 213,687.14 : x
  2. Step 2: Convert to fraction form
    634,414.10/951,614.67 = 213,687.14/x
  3. Step 3: Cross multiply
    634,414.10x = 951,614.67 × 213,687.14
  4. Step 4: Simplify right side
    634,414.10x = 203,347,817,214.34
  5. Step 5: Solve for x
    x = 203,347,817,214.34/634,414.10
  6. Step 6: Final answer
    x = 320,528.53

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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.