Home / 758,965.89-1,138,453.73-303,595.17

Finding the Fourth Proportional to 758,965.89, 1,138,453.73 and 303,595.17

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Solution

The fourth proportional to 758,965.89, 1,138,453.73 and 303,595.17 is: 455,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,965.89 : 1,138,453.73 = 303,595.17 : x
  2. Step 2: Convert to fraction form
    758,965.89/1,138,453.73 = 303,595.17/x
  3. Step 3: Cross multiply
    758,965.89x = 1,138,453.73 × 303,595.17
  4. Step 4: Simplify right side
    758,965.89x = 345,629,053,696.48
  5. Step 5: Solve for x
    x = 345,629,053,696.48/758,965.89
  6. Step 6: Final answer
    x = 455,394.71

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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.