Home / 959,563.20-1,438,688.70-454,366.20

Finding the Fourth Proportional to 959,563.20, 1,438,688.70 and 454,366.20

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Solution

The fourth proportional to 959,563.20, 1,438,688.70 and 454,366.20 is: 681,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,563.20 : 1,438,688.70 = 454,366.20 : x
  2. Step 2: Convert to fraction form
    959,563.20/1,438,688.70 = 454,366.20/x
  3. Step 3: Cross multiply
    959,563.20x = 1,438,688.70 × 454,366.20
  4. Step 4: Simplify right side
    959,563.20x = 653,691,517,601.94
  5. Step 5: Solve for x
    x = 653,691,517,601.94/959,563.20
  6. Step 6: Final answer
    x = 681,238.63

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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.