Home / 557,850.06-769,837.77-303,201.18

Finding the Fourth Proportional to 557,850.06, 769,837.77 and 303,201.18

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Solution

The fourth proportional to 557,850.06, 769,837.77 and 303,201.18 is: 418,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,850.06 : 769,837.77 = 303,201.18 : x
  2. Step 2: Convert to fraction form
    557,850.06/769,837.77 = 303,201.18/x
  3. Step 3: Cross multiply
    557,850.06x = 769,837.77 × 303,201.18
  4. Step 4: Simplify right side
    557,850.06x = 233,415,720,272.57
  5. Step 5: Solve for x
    x = 233,415,720,272.57/557,850.06
  6. Step 6: Final answer
    x = 418,420.18

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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.