Home / 729,039.10-1,093,558.65-681,799.90

Finding the Fourth Proportional to 729,039.10, 1,093,558.65 and 681,799.90

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Solution

The fourth proportional to 729,039.10, 1,093,558.65 and 681,799.90 is: 1,022,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,039.10 : 1,093,558.65 = 681,799.90 : x
  2. Step 2: Convert to fraction form
    729,039.10/1,093,558.65 = 681,799.90/x
  3. Step 3: Cross multiply
    729,039.10x = 1,093,558.65 × 681,799.90
  4. Step 4: Simplify right side
    729,039.10x = 745,588,178,214.14
  5. Step 5: Solve for x
    x = 745,588,178,214.14/729,039.10
  6. Step 6: Final answer
    x = 1,022,699.85

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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.