Home / 1,190,338.15-1,641,716.98-782,858.39

Finding the Fourth Proportional to 1,190,338.15, 1,641,716.98 and 782,858.39

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Solution

The fourth proportional to 1,190,338.15, 1,641,716.98 and 782,858.39 is: 1,079,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,338.15 : 1,641,716.98 = 782,858.39 : x
  2. Step 2: Convert to fraction form
    1,190,338.15/1,641,716.98 = 782,858.39/x
  3. Step 3: Cross multiply
    1,190,338.15x = 1,641,716.98 × 782,858.39
  4. Step 4: Simplify right side
    1,190,338.15x = 1,285,231,908,451.85
  5. Step 5: Solve for x
    x = 1,285,231,908,451.85/1,190,338.15
  6. Step 6: Final answer
    x = 1,079,720.00

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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.