Home / 785,940.54-1,084,597.97-428,244.54

Finding the Fourth Proportional to 785,940.54, 1,084,597.97 and 428,244.54

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Solution

The fourth proportional to 785,940.54, 1,084,597.97 and 428,244.54 is: 590,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,940.54 : 1,084,597.97 = 428,244.54 : x
  2. Step 2: Convert to fraction form
    785,940.54/1,084,597.97 = 428,244.54/x
  3. Step 3: Cross multiply
    785,940.54x = 1,084,597.97 × 428,244.54
  4. Step 4: Simplify right side
    785,940.54x = 464,473,156,606.36
  5. Step 5: Solve for x
    x = 464,473,156,606.36/785,940.54
  6. Step 6: Final answer
    x = 590,977.48

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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.