Home / 958,553.28-1,322,876.88-528,916.32

Finding the Fourth Proportional to 958,553.28, 1,322,876.88 and 528,916.32

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Solution

The fourth proportional to 958,553.28, 1,322,876.88 and 528,916.32 is: 729,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,553.28 : 1,322,876.88 = 528,916.32 : x
  2. Step 2: Convert to fraction form
    958,553.28/1,322,876.88 = 528,916.32/x
  3. Step 3: Cross multiply
    958,553.28x = 1,322,876.88 × 528,916.32
  4. Step 4: Simplify right side
    958,553.28x = 699,691,171,182.68
  5. Step 5: Solve for x
    x = 699,691,171,182.68/958,553.28
  6. Step 6: Final answer
    x = 729,945.00

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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.