Home / 741,222.54-1,022,887.98-401,690.79

Finding the Fourth Proportional to 741,222.54, 1,022,887.98 and 401,690.79

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Solution

The fourth proportional to 741,222.54, 1,022,887.98 and 401,690.79 is: 554,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,222.54 : 1,022,887.98 = 401,690.79 : x
  2. Step 2: Convert to fraction form
    741,222.54/1,022,887.98 = 401,690.79/x
  3. Step 3: Cross multiply
    741,222.54x = 1,022,887.98 × 401,690.79
  4. Step 4: Simplify right side
    741,222.54x = 410,884,680,767.70
  5. Step 5: Solve for x
    x = 410,884,680,767.70/741,222.54
  6. Step 6: Final answer
    x = 554,333.76

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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.