Home / 951,622.40-1,427,423.88-320,531.96

Finding the Fourth Proportional to 951,622.40, 1,427,423.88 and 320,531.96

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Solution

The fourth proportional to 951,622.40, 1,427,423.88 and 320,531.96 is: 480,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,622.40 : 1,427,423.88 = 320,531.96 : x
  2. Step 2: Convert to fraction form
    951,622.40/1,427,423.88 = 320,531.96/x
  3. Step 3: Cross multiply
    951,622.40x = 1,427,423.88 × 320,531.96
  4. Step 4: Simplify right side
    951,622.40x = 457,534,974,007.21
  5. Step 5: Solve for x
    x = 457,534,974,007.21/951,622.40
  6. Step 6: Final answer
    x = 480,794.67

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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.