Home / 1,138,900.50-1,571,546.25-629,533.62

Finding the Fourth Proportional to 1,138,900.50, 1,571,546.25 and 629,533.62

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Solution

The fourth proportional to 1,138,900.50, 1,571,546.25 and 629,533.62 is: 868,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,900.50 : 1,571,546.25 = 629,533.62 : x
  2. Step 2: Convert to fraction form
    1,138,900.50/1,571,546.25 = 629,533.62/x
  3. Step 3: Cross multiply
    1,138,900.50x = 1,571,546.25 × 629,533.62
  4. Step 4: Simplify right side
    1,138,900.50x = 989,341,199,759.93
  5. Step 5: Solve for x
    x = 989,341,199,759.93/1,138,900.50
  6. Step 6: Final answer
    x = 868,680.98

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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.