Home / 769,110.39-1,061,365.98-424,945.24

Finding the Fourth Proportional to 769,110.39, 1,061,365.98 and 424,945.24

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Solution

The fourth proportional to 769,110.39, 1,061,365.98 and 424,945.24 is: 586,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,110.39 : 1,061,365.98 = 424,945.24 : x
  2. Step 2: Convert to fraction form
    769,110.39/1,061,365.98 = 424,945.24/x
  3. Step 3: Cross multiply
    769,110.39x = 1,061,365.98 × 424,945.24
  4. Step 4: Simplify right side
    769,110.39x = 451,022,420,039.07
  5. Step 5: Solve for x
    x = 451,022,420,039.07/769,110.39
  6. Step 6: Final answer
    x = 586,420.92

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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.