Home / 931,499.10-1,285,604.90-523,634.54

Finding the Fourth Proportional to 931,499.10, 1,285,604.90 and 523,634.54

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Solution

The fourth proportional to 931,499.10, 1,285,604.90 and 523,634.54 is: 722,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,499.10 : 1,285,604.90 = 523,634.54 : x
  2. Step 2: Convert to fraction form
    931,499.10/1,285,604.90 = 523,634.54/x
  3. Step 3: Cross multiply
    931,499.10x = 1,285,604.90 × 523,634.54
  4. Step 4: Simplify right side
    931,499.10x = 673,187,123,350.68
  5. Step 5: Solve for x
    x = 673,187,123,350.68/931,499.10
  6. Step 6: Final answer
    x = 722,692.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.